A double-stick tape mishap, car wash couture and bizarre boob paneling -- stars are rocking all the wrong trends this week!

Kim Kardashian showed off some major cleavage -- and her nipple covers -- in a black Yiqing Yin cutout jumpsuit at a Violet Grey beauty event in Los Angeles on Wednesday.

At first glance, it looks like the reality star may have suffered a double nip slip. But when you look more closely, it's easy to spot the flesh-colored tape she used to keep her girls in place. 

Not chic!

Heidi Klum raised some eyebrows at the 2014 Creative Arts Emmy Awards on Saturday, sporting a '70s-inspired blue dress custom-made by current "Project Runway" contestant, Sean Kelly.

While we love that the supermodel is supporting her up-and-coming designers, this frock looks like it could also clean your car!

Another sexy supermodel missed the mark this week ...

Tyra Banks stepped out at the Cycle 21 premiere party for "America's Next Top Model" in an ill-fitting black jumpsuit, complete with a mesh cutout under her breast. To make matters worse, she added a black plastic panel that drew attention to her visible black bra.

This is NOT the example she should be setting for these aspiring fashion models. 

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

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