Celeb GPS: Single Christina Aguilera Steps Out, Matt Barr Talks 'DWTS

Where were your favorite stars over the weekend? ET knows!

Christina Aguilera lived up to her song "Beautiful," looking stunning outside the W Hotel in Hollywood.

At Trousdale in West Hollywood, Rumer Willis shared her best pick-up lines with the paps.

Downtown at the Stapes Center, Charlize Theron took in the L.A. Lakers game, where "Hellcats" star Matt Barr talked about who should go home on "Dancing with the Stars."

• 133
• 133
• 133