04/26/2013 11:38 am ET

Rihanna's Rottweiler And Katy Perry's Smooshed Bosoms Top Our Worst-Dressed List This Week (PHOTOS)

There were some truly outrageous looks on our worst-dressed list this week. Katy Perry's boobs spilled out of an ill-fitting dress, Selena Gomez wore pajamas on the red carpet and Rihanna's angry rottweiler T-shirt screamed, "Look at me!"

Then there were celebrities whose style was from decades past ... and probably should have stayed there. Salma Hayek's zoot suit and Betsey Johnson's cropped top are relics from other eras.

Check out those over-the-top looks, as well as more celebrities who made our week's worst-dressed list. Do you agree with us?

Then head over to our best-dressed gallery to check out this week's style winners.

Worst-Dressed Celebrities Of The Week

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