1 of 16
JUMP FOR JOY
Meanwhile, Timberlake's former 'N Sync bandmates Lance Bass and Joey Fatone kick up their heels during a beach retreat at the Westin Dawn Beach Resort amp Spa in St. Maarten on Saturday.
1 of 16
2 of 16
ALL THE SMALL THINGS
A day before attending the Grammy Awards, Miley Cyrus heads to a recording studio in Burbank, Calif., with her new puppy Mate and her little sis Noah on Saturday.
2 of 16
3 of 16
TAKING THE PODIUM
Brad Pitt suits up to introduce his Inglourious Basterds director Quentin Tarantino at the Directors Guild of America Awards Saturday at L.A.'s Hyatt Regency Century Plaza. Despite breakup rumors, the movie star attended the ceremony with Angelina Jolie, and the couple looked to be "having a fun time," says an onlooker.
3 of 16
4 of 16
PARADISE FOUND
Evangeline Lilly greets fans with open arms at the premiere of the final season of Lost – which airs Tuesday on ABC – at Waikiki Beach in Hawaii.
4 of 16
5 of 16
'SOCIAL' SCENE
Justin Timberlake finds his focus Saturday on the downtown Los Angeles set of his latest film, The Social Network. The night before, the singer stepped out with girlfriend Jessica Biel for a pre-Grammy party on the roof of L'Ermitage Beverly Hills.
5 of 16
6 of 16
MAMA'S BOYS
Victoria Beckham has her hands full with her two youngest sons Romeo, 7, and Cruz, 4, while out in Malibu on Sunday.
6 of 16
7 of 16
FACE TIME
Matt Damon leans in for a kiss with wife Luciana on the red carpet during the U.K. premiere of Invictus, his drama about a South African rugby player, at the Odeon in London's Leicester Square on Sunday.
7 of 16
8 of 16
WHAT A SPECTACLE
Celine Dion, Smokey Robinson, Jennifer Hudson, Usher and Carrie Underwood take a break from rehearsing their 3-D tribute to Michael Jackson, who will be honored during Sunday's Grammy Awards, at the Staples Center in Los Angeles on Saturday.
8 of 16
9 of 16
'YOUNG' LOVE
What an elegant couple! Keith Urban and Nicole Kidman are dressed to the nines at the 2010 MusiCares Person Of The Year Tribute To Neil Young at the Los Angeles Convention Center on Friday.
9 of 16
10 of 16
MUSIC MASH-UP
10 of 16
11 of 16
BOHO CHIC
Style star Drew Barrymore puts her own spin on casual chic in a hooded poncho while grocery shopping with boyfriend Justin Long at The Oaks Gourmet Market in Los Angeles on Friday.
11 of 16
12 of 16
COAT CHECK
Madonna makes sure to stay bundled up while heading for a flight out of London's Heathrow Airport on Friday.
12 of 16
13 of 16
GIVE HIM A HAND
Robert Downey Jr. gets into character as Iron Man's Tony Stark – now the recipient of a medal of honor! – alongside Garry Shandling and Don Cheadle while shooting scenes for the film's sequel in Pasadena, Calif., on Thursday.
13 of 16
14 of 16
HAPPY HOMECOMING
Goodbye Jersey Shore, hello Long Island! New York native Jenni "J-Woww" Farley makes a star-studded return home, playing hostess at GLO nightclub in Westbury Thursday night.
14 of 16
15 of 16
TICK TOCK
This interview is going like clockwork! Josh Duhamel – looking like the preppie version of Flavor Flav – is game for a good time during a visit to The Ellen DeGeneres Show in Los Angeles on Friday, where he was presented with an oversized timepiece in honor of his one-year wedding anniversary to Fergie.
15 of 16
16 of 16
PARTNER UP
Jennifer Love Hewitt stays close to her main man, boyfriend Jamie Kennedy, at Tao Nightclub in Las Vegas. Kennedy, who already has special plans for the couple on Valentine's Day, was on hand to host the 4th annual Tao-A-Go-Go dance contest Thursday night.