The Worst Dressed Celebrities (PICTURES)

A look at the wierdest dressed celebrities during performances. From Rihanna to Ben Stiller, where did they all go wrong? Is it the costume or the way they have worn it? Are the costumes relevant to the respective occasions or did they make a fool out of themselves?

When there is a function to attend every other day, can you blame the celebrity for overdoing it? Who were the designers by the way?