A tropical two-piece, a 90's throwback and coral reef chic -- stars are rocking all the wrong trends this week!

Jordin Sparks raised some eyebrows on the red carpet at the Teen Choice Awards on Sunday, sporting a floral crop top and matching harem pants. The "American Idol" alum is clearly proud of her fit figure, but the extra fabric on her hips just makes her look wide.

Basically everyone wore some type of crop top to the star-studded award show, but the singer's print was just a little too loud.

Carmen Electra was on MTV's "Singled Out" in the 90's and this look makes it seem like she's trying to relive her glory days. The actress stepped out at "The Expendables 3" premiere in Los Angeles on Monday in this denim Moschino dress that should have stayed in the past.

And, Lady Gaga reclaimed her spot on our worst dressed list this week for sporting a nude bodysuit with seashells covering her naughty bits at the airport in Tokyo, Japan. The "Art Pop" singer even added a bleach blonde troll doll wig to complete her odd ensemble.

Isn't this what you wear to travel!? 

But, these ladies weren't alone -- click "Launch Gallery" above to see more of this week's worst dressed stars!

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