Gwyneth Paltrow and Madonna get rowdy at the Oak Room for the afterparty for the premiere of "Valentino: The Last Emperor" in New York. Does Anne Hathaway (in the background) feel left out?
At the L.A. premiere of "Sugar," Jessica Alba fails to give the cameras any sugar.
"Girls Gone Wild" founder Joe Francis and Mario Lopez enjoyed a Lakers game on St. Patrick's Day, though Francis' constantly cheering them on by shouting, "Take off your top!" didn't go over so well.
At the premiere of her new movie "Adventureland," Kristen Stewart gives her classic "I'm so over it" smirk.
Paul Rudd (left) and Paul Rudd (right) pose at the "I Love You, Man" premiere.
Rosie O'Donnell goes for a spin with Gloria Estefan and Kathy Griffin. Definitely don't want to incite any road rage with that crew.
What's a Week in Photos without a picture of Angelina Jolie doing something crazy while filming "Salt" in a new wig?
At a concert in Sydney, Chris Martin courageously battles a confetti attack.
Audrina Patridge feels a little uncomfortable about totally overdressing for this parking lot party.
James Franco, it's OK, it's just a camera. We take pictures and then put them on the Internet. It's how this works.
They had to fire hose Lisa Rinna off the side of this truck. True story.
Diane Kruger and Joshua Jackson, posing at the Metropolitan Opera 125th Anniversary Gala, are too busy looking at each other's pretty face to bother with cameras.
Paris Hilton must have just had a quiet night with her boyfriend Doug, as her lipstick is still fully intact.
At the Metropolitan Opera Gala, Ginnifer Goodwin shows off her dress made entirely out of puzzle pieces. A real fashion innovator, that one.
Anne Hathaway, you may have lost the Oscar, but Valentino just gave you the Most Awkward Documented Kiss of 2009.
Avril Lavigne goes bar-hopping in London on St. Patrick's Day in her festive, umm, punk 12-year-old ensemble?
Performing in Atlanta, Adele seems thrilled about her false eyelashes staying on the entire show.
At the "Late Show with David Letterman," Nicolas Cage makes several unfortunate decisions with his hair.
Here's Lady GaGa, hanging out, just being casual.
Pacifist (and Pacifier) Vin Diesel promotes peace at the U.K. "Fast and Furious" premiere.
Actress Jordana Brewster showed her St. Paddy's Day pride with this furious green ride.
Ethan Hawke, Jay Mohr, and his wife, Nikki Cox, attend New York Knicks game, and play the classic "Let's Make Faces for the Paparazzi" game.
Pink, performing in Berlin, shows off the Lindsay Lohan liquid leggings she bought this weekend.
Either Ed Westwick and Leighton Meester are filming on the streets of NYC, or Ed's just showing everyone how much he loves kissing the ladies again.
Naomi Watts, Liev Schreiber and son Alexander Pete Schreiber look pretty darned adorable cruising around New York City.
Katherine Heigl and Josh Kelley head home after Kelley's performance at Hotel Cafe on St. Paddy's Day.
A very pregnant (and very festive) Alyson Hannigan ran some errands on St. Patrick's Day.