If there's one thing celebrities are known for more than mixing and mingling at awards shows, it's frolicking at the beach. But even Hollywood's brightest stars can make some pretty amateur mistakes -- see Rachel Bilson, Kim Kardashian, Kelly Osbourne and other bold-faced names with some seriously awkward tan lines and sunburns. Stars: They're just like Us!
Don't look down, Elle! Legendary supermodel Elle Macpherson revealed a bright white bikini bottom tan during a dip in the water while wearing a skin-tight, high-cut wet suit.
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