Christina Aguilera is Clockwork Orange

Christina Aguilera channels her inner Clockwork Orange while celebrating her 28th birthday with husband Jordan Bratman at Italian restaurant Osteria Mozza in Los Angeles on Thursday.

The birthday girl was all decked out in white as Clockwork‘s Alex, complete with suspenders, cane and a bowl hat.

Guests at the party included Nicole Richie and partner Joel Madden, as well as Paris Hilton and her on-and-off-again boyfriend Benji Madden.

HAPPY BIRTHDAY, CHRISTINA MARIA AGUILERA!

10+ pics inside of Clockwork Orange-y Christina Aguilera…