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Fab or Flop: Rihanna's Sexy Sheer, Jennifer Lawrence Pants Disaster, Gaga's Shockingly Simple Dress, & More

With crazy summer heat comes the best and the worst celebrity style! Whether Jennifer Lawrence is making waves with her strange half dress/half pants look at the Dior Haute Couture show or Miranda Kerr is just looking adorable in a simple floral dress, celebs know how to make a statement with their style.

Rihanna's rocking an uber-sexy sheer top, while Ke$ha comes out as a total sheer flop as she goes over the top with the summer trend. Lady Gaga even re-emerged post-surgery looking completely different and dressing...normal?

Click through our gallery to see the hottest, best, weirdest, and sexiest celebrity looks of the week!