What a mistake, my God!Here we startMischa Barton teaching her blue thong with transparency during the Paris High Fashion Spring-Summer Week of 2009Shauna Sand is more trash... If she's spattering like this with a mini skirt, it's clear what's happening!The case of Lily Allen is much worse because she hasn't even had the decency to put on panties!Jennifer Lopez insists on dressing up in her old cowboy outfits from 10 years ago and doesn't realize that her butt is hanging outJennifer Gardner while wondering what they're looking at doesn't notice she's wearing a thong exposedHayden Panettiere either puts on her pants or takes off the thongLook how long Nelly Furtado's dress is, but you have to be careful with the skirt movementsThe wind lifts up Paris Hilton's dress... Oh no, she doesn't have her hands busy!Britney Spears in her attempt to put back on that mini dress, exposes her thigh gap.Kendra Wilkinson has gone overboard with the short skirt of her dress... will she be aware that she's showing off her butt?Kate Walsh doesn't bat an eyelid when her skirt takes flightEva Longoria nothing badJennifer Garner is so distracted with the baby that she doesn't even realize she's showing her butt.Hayden Panettiere, actress of Heroes, teaches us the thong. You have to watch out when bending over.Bad car descent.SweatHow good is Mrs. Beckham