Zo Kravitz's Oscars Party Dress Had a Sheer Butt Crack Window The cheek of it! How bum cleavage became all the rage on the red carpet The Standard Kardashian fans mock Kim's 'ridiculous' new $88 SKIMS dress that shows off wearer's 'butt cleavage' Booty Cleavage Is Back! Tracing the Trend From Heidi Klum to Zoe Kravitz Is showing your butt crack the new fashion trend? Classmates what do we think? #KourtneyKardashian I tried Kim Karashian's Skims 'keyhole butt' dress it was definitely NSFW, I can't understand who'd buy it