Jennifer Lopez, Christina Aguilera, Cassie and more!
Next Slideshow: The Top 10 Breakthrough Artists of 2010
Break Time: Jennifer Lopez takes a break from filming American Idol and chats with fellow judge, Randy Jackson, in Los Angeles on December 9.
Spanish Burlesque: Cher, director Steven Antin and Christina Aguilera present Burlesque at a photocall in Madrid on December 9.
Mane Event: Cassie, Nicki Minaj and Amber Rose compete for the craziest hair at Nicki's birthday party at TAO at the Venetian in Las Vegas on December 9.
Making the Rounds: Ashley Benson and Christina Milian promote their movie Christmas Cupid in New York City on December 9.
Dancing Boy: Mario Lopez shows off his dancing skills with a couple of the Rockettes at The Grove on December 9.
Christmas Shopping: Rico Rodriguez goofs off while shopping for St.Jude Children's Hospital at KMart on December 9.
Getting Waxed: Perez Hilton unveils Lady Gaga's wax figure at Madame Tussauds Hollywood on December 9 in Hollywood.
A Cut Above: Sofia Vergara, with help from OMEGA President Stephen Urquhart, cuts the ribbon to open the OMEGA boutique at the Beverly Center in Los Angeles on December 8.
Peace Squared: Juanes announces the release of his new album P.A.R.C.E. during a press conference in New York City on December 8.
Kids First: Fabolous gives back by joining a non-profit benefitting inner city youth in New York City on December 7.
Roman Hornet: Director Michel Gondry, Seth Rogen, Cameron Diaz and Christoph Waltz promote their movie The Green Hornet in Rome on December 7.
Heading to Hollywood: Jennifer Lopez arrives to work at American Idol in a hot black-and-white ensemble in Los Angeles on December 7.
Books in Boston: Supermodel Gisele Bundchen reads The Peace Book to children at the Four Seasons in Boston on December 7.
Hairy Beast: Benicio del Toro attends the Somewhere premiere on December 7 in Hollywood.
Got It Covered: Singer Belinda is tight with fashion designer Jeremy Scott on the cover of NYLON Mexico's Dec/Jan issue.
Ruffled: Eva Mendes looks giddy and girly at the Marrakesh film festival on December 6 in Morocco.
Japan Joy: Christina Aguilera and Kristen Bell look happy to be at the Tokyo premiere of Burlesque on December 7.
Training Session: Adrienne Bailon gets taught the rules of bowling from Terrell Owens at the 81 Cares Bowl presented by Terrell Owens and GQ Magazine at Star Lanes On The Levee in Newport, Kentucky on December 6.
Poser: Victoria Justice does a photoshoot with Savvy magazine on December 6.
Tattoo Tour: Kat Von D finishes her The Tattoo Chronicles book tour on December 6 in Berlin, Germany.
In the Heights: Modern Family's Nolan Gould and Rico Rodriguez check to see who is taller on the set on December 6.