Paris Hilton goes incognito in a blue wig as she dons black leather outfit at Tomorrowland festival

Paris Hilton puts on a leggy display in rainbow-hued bejewelled structured bodysuit at Tomorrowland

Nicky Hilton borrows clothing from her sister Paris Hilton after airline loses her luggage

Paris Hilton Goes ‘Undercover’ at Tomorrowland Rave With Husband Carter: See Her ‘Disguise’ Photos