Adele and Kelly Clarkson get cheeky at Bar Nineteen 12 in Beverly Hills.
Kelly Rowland has us seeing red, but in a really good way, following the big show.
Rihanna and Pete Wentz strike a pretty pose at Samsung Galaxy's soiree at Osteria Mozza in Los Angeles.
Justin Timberlake takes the stage with his six-string.
Mary J. Blige looks fab at Elevate Lounge.
Brit beauties Adele and Cher Lloyd flash smiles at the Beverly Hills Hotel.
Forget Katy Perry's cleavage! This photo of Kelly Clarkson photo-bombing Ellen DeGeneres and Portia de Rossi is priceless!
Happy couple Chris Brown and Rihanna cuddle while watching the big show at the Staples Center.
Best photo ever? Portia de Rossi laughs while her wife Ellen DeGeneres checks out Katy Perry's assets during the big show at the Staples Center.
John Mayer and Katy Perry step out for Clive Davis' annual bash.
Jordin Sparks checks out some new headphones at the radio station's bash.
Justin Timberlake joins pal Timbaland onstage for a performance of their hit "Carry Out" at The Conga Room.
A side-boobing Miley Cyrus rocks an Emilio Pucci gown at the annual party hosted by Clive Davis and The Recording Academy at the Beverly Hilton hotel.
Carly Rae Jepsen (in a Hadara dress available at Missguided) performs "Call Me Maybe" for an audience that included Darren Criss, Lucy Hale, Jesse McCartney, Adam Lambert, Kat Graham and Cheryl Burke.
Alan Cumming checks out Busy Philipps' baby bump at the Ace Museum.
Grey's Anatomy star Jesse Williams ties one on at the fundraiser for RED, the international HIV/AIDS group founded by Bono.
Darren Criss, Carly Rae Jepsen and Harry Shum Jr. help the 16th annual party raise funds for Rock the Vote.
Frank Ocean performs at the Ace Museum for a crowd that included Zoe Saldana, Busy Philipps, Solange Knowles, Rumer Willis, Macy Gray and Alan Cumming.
Katy Perry and Elton John pose pretty at the event honoring Bruce Springsteen.
Johnny Depp and Marcus Mumford pair up at the Los Angeles Convention Center.
Miley Cyrus reunites with pal Nicole Richie at the Beverly Hilton.
John Leguizamo strikes a post at the Hennessy V.S-sponsored after party at Hyde Lounge.
Paris Hilton and her model boyfriend River Viiperi strike a pose.
Actress-singer Rita Wilson chats with actor William Baldwin.