Zahara Jolie-Pitt, Flynn Bloom, Vida McConaughey: January Birthday Photos

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LOUIS BARDO BULLOCK

Look who's turing 2! Proud mama Sandra Bullock and her little man – who was adopted in January 2010 – share a precious laugh during a family outing on Jan. 5 in Los Angeles.

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VIDA MCCONAUGHEY

Recently engaged couple Matthew McConaughey and Camila Alves sure have a budding beauty on their hands with 2-year-old Vida, here strolling in her neighborhood on Sept. 18.

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SERAPHINA AFFLECK

Whee! A very pregnant Jennifer Garner gives her youngest daughter, who will turn 3 on Jan. 6, a big lift while hanging at a Santa Monica, Calif., park on Nov. 7.

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FLYNN BLOOM

Bright socks, check! Striped sweater, check! Cool jeans, check! Orlando Bloom's cherub-cheeked baby boy, who turns 1 a week before dad's Jan. 13 birthday, stays stylishly in step with model mom Miranda Kerr while the duo run errands in N.Y.C. on Nov. 13.

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RYDER ROBINSON

A month after welcoming baby Bingham, Kate Hudson keeps close to her soon-to-be 8-year-old (Jan. 7) as the twosome make their way through London on Aug. 27.

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ZAHARA JOLIE-PITT

Who's got a spring in her step? Soon-to-be 7-year-old Zahara Jolie-Pitt (Jan. 8), who skips along with mom Angelina Jolie and sister Shiloh, 5, during a girls' outing in London on Sept. 1.

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RAIN CHARVET

Bathing beauties Rain (who turns 5 on Jan. 8) and mom Brooke Burke strike an adorable pose during a family vacation (and wedding celebration!) in St. Barts on Aug. 13.

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HARLOW MADDEN

Joel Madden and Nicole Richie's little princess – she turns 4 on Jan. 11 – pulls out all the stops (mini purple gown, hair bow, sweet sandals) for a fashionable family photo at Disney's Rapunzel Royal Celebration in London on Oct. 2.

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MASON WILKERSON

Actress Melissa Joan-Hart gives her soon-to-be 6-year-old son Mason (Jan. 11) a tight squeeze at the opening of 77 Kids in New York's Times Square on July 20.

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MAX BRATMAN

Awww! A week before he turns 4 (Jan. 12), Christina Aguilera gives her growing boy a big smooch after enjoying a New Year's Day dinner at the Barn Restaurant in New Jersey.

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MEGAN SANOV

Alison Sweeney's little girl (who turns 3 on Jan. 12) shows off her cool tattoo while taking a Halloween-themed photo with mom and brother Ben, 6½, at Mr. Bones Pumpkin Patch in West Hollywood on Oct. 8.

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ROBERT FORD WILSON

Look who's taking his first steps! Owen Wilson gives son Ford, who turns 1 on Jan. 14, a helping hand while the tot toddles in the sand at a Santa Monica, Calif., playground on Dec. 27.

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MING LEE SIMMONS

A few weeks before celebrating her 12th birthday (Jan. 21), Ming struts her stuff beachside with mom Kimora Lee during a family holiday vacation in St. Barts on Dec. 29.

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LEONARDO BARDEM

While enjoying lunch in Italy with husband Javier Bardem (not pictured) on Oct. 15, Penélope Cruz gets the giggles with their soon-to-be 1-year old son.

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SADIE LENOBLE

Having Sadie (who turns 1 on Jan. 27) at work is a top priority for new mom Christina Applegate. Here, the Up All Night star totes her adorable tot while leaving the set on Oct. 3.