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Birthdate: Feb. 20, 1988
Hometown: St. Michael, Barbados
Love Line: Dating RampB singer Chris Brown
Milestones: The singer won four Billboard Music Awards, and landed her first Grammy in 2008 for "Umbrella," her duet with Jay-Z.
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ELLEN PAGE, 21
Birthdate: Feb. 21, 1987
Hometown: Halifax, Nova Scotia
Love Line: Single – but was rumored to have dated her X-Men: The Last Stand costar Ben Foster
Milestones: She earned Screen Actors Guild and Oscar nominations for her role as a pregnant teen in the hit Juno.
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LEIGHTON MEESTER, 22
Birthdate: April 9, 1986
Hometown: Marco Island, Fla.
Love Line: Single
Milestones: Meester landed the coveted role as Blair Waldorf in the CW's smash Gossip Girl and is now recording songs for a possible album.
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SCARLETT JOHANSSON, 23
Birthdate: Nov. 22, 1984
Hometown: New York, N.Y.
Love Line: Dating actor Ryan Reynolds. She previously dated Josh Hartnett, and has been linked to Justin Timberlake and Jared Leto.
Milestones: She's been nominated for a Golden Globe four times (for Lost in Translation, Girl with a Pearl Earring, Match Point and A Love Song for Bobby Long).
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MANDY MOORE, 24
Birthdate: April 10, 1984
Hometown: Nashua, N.H.
Love Line: Single. She ended a 2-year relationship with Zach Braff in 2006.
Milestones: The platinum recording artist picked up an MTV Movie Award for Breakout Female Performance for her role in A Walk to Remember.
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CARRIE UNDERWOOD, 25
Birthdate: March 10, 1983
Hometown: Checotah, Okla.
Love Line: Single. She recently split from Gossip Girl heartthrob Chace Crawford.
Milestones: The winner of the fourth season of American Idol has won two Grammy Awards and four Country Music Awards.
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BEYONCé KNOWLES, 26
Birthdate: Sept. 4, 1981
Hometown: Houston, Texas
Love Line: Married longtime beau Jay-Z in April
Milestones: She won three Grammy Awards with Destiny's Child – and seven as a solo artist. Knowles was the second African-American woman to appear on the cover of Sports Illustrated's swimsuit issue, and starred in the box office hit Dreamgirls.
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JESSICA ALBA, 27
Birthdate: April 28, 1981
Hometown: Pomona, Calif.
Love Line: Engaged to producer-director Cash Warren. They are expecting their first child together in late spring/early summer.
Milestones: Alba earned a Golden Globe nomination for the TV series Dark Angel and won an MTV Movie Award for Sin City.
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CHRISTINA RICCI, 28
Birthdate: Feb. 12, 1980
Hometown: Santa Monica, Calif.
Love Line: Single. She was previously in an on-and-off relationship with actor Adam Goldberg.
Milestones: A child star best known for her role as Wednesday in The Addams Family movies, Ricci was recently nominated for an Emmy for her guest-starring role on Grey's Anatomy.
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KATE HUDSON, 29
Birthdate: April 19, 1979
Hometown: Los Angeles
Love Line: Dating former beau Owen Wilson. She was previously married to Black Crowes lead singer Chris Robinson, with whom she has one son, Ryder, 4.
Milestones: She was nominated for an Oscar for her star-making turn in Almost Famous.
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LIV TYLER, 30
Birthdate: July 1, 1977
Hometown: New York City
Love Line: Married to British musician Royston Langdon. She gave birth to a son, Milo in 2004.
Milestones: The former model – and daughter of Aerosmith's Steven Tyler – starred in the Aerosmith video "Crazy" before moving to film, notably playing Arwen in the Lord of the Rings trilogy.
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Birthdate: Feb. 9, 1977
Hometown: Barranquilla, Colombia
Love Line: Engaged to longtime boyfriend Antonio de la Réa, son of Argentina's former president Fernando de la Réa
Milestones: She won two Latin Grammy Awards, and in 2006 her duet with Wyclef Jean, "Hips Don't Lie" made history as the first pop song to be played 9,582 times in one week.
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REESE WITHERSPOON, 32
Birthdate: March 22, 1976
Hometown: New Orleans
Love Line: Dating her Rendition costar Jake Gyllenhaal. She was previously married to Ryan Phillippe, with whom she has two kids, Ava, 8, and Deacon, 4.
Milestones: She won a Golden Globe and an Academy Award for her portrayal of June Carter Cash in Walk the Line.
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AMY ADAMS, 33
Birthdate: Aug. 20, 1974
Hometown: Castle Rock, Colo.
Love Line: Dating actor actor Darren LeGallo, 33
Milestones: She earned an Oscar nomination in 2005 for her leading role in the film Junebug and performed a song from her Disney hit Enchanted at the Oscars.
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EVA MENDES, 34
Birthdate: March 5, 1974
Love Line: Dating producer George Gargurevich
Milestones: After a breakout role in Training Day, she starred in the box office smash Hitch and signed on as the new face of Revlon.
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REBECCA ROMIJN, 35
Birthdate: Nov. 06, 1972
Hometown: Berkeley, Calif.
Love Line: Married actor Jerry O'Connell in July 2007. She was previously married to John Stamos.
Milestones: The model hosted MTV's House of Style before moving to film as Mystique in the X-Men series. She now stars on the Golden Globe-winning Ugly Betty.
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JENNIFER GARNER, 36
Birthdate: April 17, 1972
Hometown: Charleston, W.Va.
Love Line: Married to Ben Affleck, with whom she has daughter Violet, 2. She was previously married to Scott Foley.
Milestones: The actress won a Golden Globe for Alias, and won raves for her Broadway debut in Cyrano de Bergerac.
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PADMA LAKSHMI, 37
Birthdate: Sept. 1, 1970
Hometown: Chennai, Tamil Nadu, India
Love Line: Single. Divorced from author Salman Rushdie.
Milestones: After finding fame internationally as a model and actress, Lakshmi now hosts Bravo's culinary hit Top Chef.
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GWEN STEFANI, 38
Birthdate: Oct. 3, 1969
Hometown: Anaheim, Calif.
Love Line: Married for almost six years to singer Gavin Rossdale, with whom she has son Kingston, 2. The couple are also expecting their second child, due early summer.
Milestones: The No Doubt frontwoman has three Grammy Awards, and her solo disc, Love.Angel.Music.Baby, scored five Grammy nominations.
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LUCY LIU, 39
Birthdate: Dec. 2, 1968
Hometown: Queens, N.Y.
Love Line: Dating actor Will McCormack since 2005
Milestones: She first starred in the TV series Ally McBeal before moving to film, starring in hits like Kill Bill Vol. 1, Chicago and the Charlie's Angels movies.
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KATE WALSH, 40
Birthdate: Oct. 13, 1967
Hometown: San Jose, Calif.
Love Line: Married film executive Alex Young in September 2007
Milestones: She turned a five-episode role on Grey's Anatomy into her own spinoff series, Private Practice.
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HALLE BERRY, 41
Birthdate: Aug. 14, 1966
Hometown: Cleveland, Ohio
Love Line: Dating model Gabriel Aubry, with whom she has daughter, Nahla Ariela, born in March. She was previously married to Eric Benét and David Justice.
Milestones: She was the first African-American woman to win a Best Actress Oscar in 2002 (for Monster's Ball), and won an Emmy for her role as the title character in the television movie Introducing Dorothy Dandridge.
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ELIZABETH HURLEY, 42
Birthdate: June 10, 1965
Hometown: Hampshire, England
Love Line: Wed businessman Arun Nayar in March 2007. She previously dated producer Stephen Bing, with whom she has a son, Damien Charles, 6, and dated actor Hugh Grant.
Milestones: The Estée Lauder model scored a box office hit as the female lead in Austin Powers: International Man of Mystery.
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COURTENEY COX ARQUETTE, 43
Birthdate: June 15, 1964
Hometown: Birmingham, Ala.
Love Line: Married to actor David Arquette, with whom she has daughter Coco, 3. She also dated actor Michael Keaton.
Milestones: She memorably danced with Bruce Springsteen in his 1984 video for "Dancing in the Dark" and starred on the blockbuster sitcom Friends for 10 seasons. She's now starring in the second season of FX drama Dirt.
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Birthdate: Nov. 20, 1963
Hometown: Pittsburgh, Pa.
Love Line: Married to actor-writer Eric Michael Zee since 1995. They have two kids, Michaela, 7, and Cooper, 2.
Milestones: She made her breakthrough performance in Amy Tan's Joy Luck Club.
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DEMI MOORE, 45
Birthdate: Nov. 11, 1962
Hometown: Roswell, N.M.
Love Line: Married to Hollywood prankster Ashton Kutcher since 2005. She was previously married to Bruce Willis, with whom she has three daughters, Rumer, 19, Scout, 16, and Tallulah, 14.
Milestones: Moore was nominated for a Golden Globe in 1990 for her role in Ghost, and starred in the Golden Globe-winning television movie If These Walls Could Talk.
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SHERYL CROW, 46
Birthdate: Feb. 11, 1962
Hometown: Kennett, Mo.
Love Line: Single. She was engaged to cyclist Lance Armstrong (they split in early 2006) and dated fellow rocker Kid Rock. In May, Crow adopted a baby boy, Wyatt Steven, 1.
Milestones: She has nine Grammy Awards. In February 2006, Crow was diagnosed with breast cancer, but made a full recovery.
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JULIA LOUIS-DREYFUS, 47
Birthdate: Jan. 13, 1961
Hometown: New York City
Love Line: Married to actor-writer Brad Hall, with whom she has two sons, Henry and Charles
Milestones: She won an Emmy, a Golden Globe and two SAG Awards for her role as Elaine on Seinfeld, and earned her second Emmy for The New Adventures of Old Christine. In 2006, she became the first former female cast member to return to Saturday Night Live as host.
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PATRICIA CLARKSON, 48
Birthdate: Dec. 29, 1959
Hometown: New Orleans
Love Line: Dating actor Campbell Scott
Milestones: She won two Emmys for her role as Aunt Sarah on HBO's Six Feet Under.
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ANNETTE BENING, 49
Birthdate: May 29, 1958
Hometown: Topeka, Kan.
Love Line: Married to actor Warren Beatty since 1992. They have four children – Kathlyn, 16, Benjamin, 13, Isabel, 11, and Ella, 8.
Milestones: She received Oscar nods for The Grifters and American Beauty and won a Golden Globe in 2005 for Being Julia.
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MICHELLE PFEIFFER, 50
Birthdate: April 29, 1958
Hometown: Midway City, Calif.
Love Line: Married to television writer-producer David E. Kelley, with whom she has daughter Claudia Rose, 13, and son John Henry, 12
Milestones: She received Oscar nods for Love Field, The Fabulous Baker Boys and Dangerous Liaisons. After taking a five-year break and moving her family to Northern California, Pfeiffer reemerged in 2007's Stardust and the musical-comedy hit Hairspray.
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ANN CURRY, 51
Birthdate: Nov. 19, 1956
Hometown: Ashland, Ore.
Love Line: Married to computer consultant Brian Ross, with whom she has daughter McKenzie, 14, and son Walker, 10
Milestones: She co-anchors Dateline NBC and has been news anchor for NBC News' Today show since March 1997. Curry's won two Emmys, several Associated Press Certificates of Excellence and an award for Excellence in Reporting from the NAACP.
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Birthdate: July 25, 1955
Hometown: Mogadishu, Somalia
Love Line: Married to David Bowie since 1992, with whom she has daughter Alexandria, 7. Iman has another daughter, Zulekha, from a previous marriage to Spencer Haywood.
Milestones: She was one of the first black supermodels, and in 1994 launched Iman, one of the first cosmetics lines for women of color. She later teamed up with Revlon and became one of the first black models signed to a major cosmetics campaign.
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LORRAINE BRACCO, 53
Birthdate: Oct. 2, 1954
Hometown: Brooklyn, N.Y.
Love Line: Dating basketball player Jason Cipolla. She was married to Harvey Keitel, with whom she has daughter Stella, and Edward James Olmos.
Milestones: She was nominated for an Academy Award for Goodfellas, and earned three Emmy nods for The Sopranos.
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CHRISTIE BRINKLEY, 54
Birthdate: Feb. 2, 1954
Hometown: Pacific Palisades, Calif.
Love Line: Split from husband architect Peter Cook, with whom she has daughter, Sailor Lee, 9, in 2006. She was married to artist Jean-Francois Allaux, musician Billy Joel (with whom she has daughter Alexa Ray, 22) and developer Richard Taubman (with whom she has son Jack Paris, 12).
Milestones: The Cover Girl model famously broke into Hollywood as the girl in the Ferrari in Vacation.
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LYNN WHITFIELD, 55
Birthdate: Feb. 15, 1953
Hometown: Baton Rouge, La.
Love Line: Split from Brian Gibson, with whom she has daughter Grace, 16
Milestones: She won an Emmy in 1991 for her leading role in the HBO biography The Josephine Baker Story, and will appear in the film adaptation of the Broadway musical Mama, I Want to Sing!.
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CHERYL LADD, 56
Birthdate: July 12, 1951
Hometown: Huron, S.D.
Love Line: Married to Brian Russell. She was previously married to David Ladd, with whom she has a daughter, Jordan, 33.
Milestones: She replaced Farrah Fawcett on Charlie's Angels, and starred on the hit series Las Vegas.
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JANE SEYMOUR, 57
Birthdate: Feb. 15, 1951
Love Line: Married since 1993 to fourth husband actor James Keach, with whom she has twins John and Kris, 12. She also has two children, Katie, 26, and Sean, 22, with ex David Flynn.
Milestones: She won Golden Globe Awards for the miniseries East of Eden and the hit show Dr. Quinn, Medicine Woman. Seymour also won an Emmy for the TV movie Onassis: The Richest Man in the World.
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MERYL STREEP, 58
Birthdate: June 22, 1949
Hometown: Summit, N.J.
Love Line: Married for 30 years to artist Don Gummer. They have four children, Henry, 28, Mamie, 24, Grace, 21, and Louisa, 16.
Milestones: She is the most-nominated actress in Academy Award history, with 14 nods. Streep won Oscars for Sophie's Choice and Kramer vs. Kramer, and has two Emmys and six Golden Globes.
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BARBARA MANDRELL, 59
Birthdate: Dec. 25, 1948
Hometown: Oceanside, Calif.
Love Line: Married to manager Ken Dudney since 1967. They have three children, Matthew, 37, Jaime, 32, and Nathaniel, 22.
Milestones: After having several No. 1 country hits, she starred on Barbara Mandrell and the Mandrell Sisters, a variety show with siblings Louise and Irlene. Mandrell won the Country Music Association's Entertainer of the Year award in 1980 and '81.
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CHERYL TIEGS, 60
Birthdate: Sept. 25, 1947
Hometown: Breckenridge, Minn.
Love Line: Single. Tiegs has been married four times, to Stan Dragoti, Peter Hill Beard, Tony Peck (with whom she has son Zach) and Rod Stryker (with whom she has two children, Jade Jospeh and Theo Reid, via a surrogate).
Milestones: Tiegs was only 17 when she appeared on the covers of Glamour, Seventeen and Elle.