Nicky Hilton Reveals Her Butt In Totally See-Through Dress Whoa! Did Nicky Hilton just show her butt cheeks? Socialite turned fashion designer Nicky Hilton .\rbr\rbrNicky Hilton Reveals Her Butt In Totally See-Through Dress Whoa! Did Nicky Hilton just show her butt cheeks? Socialite turned fashion designer Nicky Hilton .\rbr\rbrWe spotted the Hotel heiress Nicky Hilton attending the Versace Haute Couture Fashion Show in Paris, she was wearing a white see through dress giving us a .\rbr\rbrThe heiress may have coined a new phrase: underbutt. She accidentally showed it off.