Pixie Lott

English singer-songwriter Pixie Lott gave fans a lot more than they bargained for, when she let her...umm.. bum slip our at the Michael Jackson Forever Concert Tribute in Wales in October.

Photo by Getty Images Dec 8, 2011

Top Wardrobe Malfunctions of 2011

Oh my! Which celebs have had embarrassing nipple slips and wardrobe malfunctions in 2011? Check it out!

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