Just because you're rich and famous doesn't mean you know how to dress yourself.
2011 brought us a wide range of looks, from tacky ("Jersey Shore's" Deena Cortese) to trashy (Aubrey O'Day) and just plain weird (Lady Gaga).
Check out 30 of this year's biggest fashion offenders below. Warning, some of these outfits cannot be unseen!
Whose outfit was the worst? Tell toofab in the comments below!