They only had one job to do...
Click through our Birthday Babes gallery to find out when your favorite celebs celebrate their big day this year!
Fashion Icon Michael Kors Honored by FIT
Alyssa Milano showed off her post-baby bod since giving birth in late August in this little black dress.
Hilary Swank: 'Shame on Me'
Lea Michele & Stars Count Down to 'New Years Eve'
Pop princess Britney Spears began getting cozy with her own agent, Jason Trawick, of William Morris Endeavor in 2009. In May 2011, Trawick stated that he would stop representing her as her agent.
Lea Michele Toasts 'New Year's Eve'
