Whatever happened to the little black dress?

This week, stars went color crazy, stepping out in some very vibrant looks that they probably should have left in their closets.

The usually fashionable Marion Cotillard hit the red carpet in Marrakesh sporting a full-length dress that was both stripped and floral-print. And if the weird design wasn't bad enough, the fit did nothing for her impressive physique.

Katy Perry sported a bold look this week too. The red velvet looks kinda cheap to us ... and the cape is definitely overkill.

And where would we be without the Patron Saint of Too Drab, Lady Gaga?

She really stepped up her game this week, stepping out as a Picasso painting. From the face paint to her yellow shoes (and everything in-between), this is just obnoxious.

But they weren't alone -- see more of this week's worst dressed in the gallery above!

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