Singer-songwriter and actor Demi Lovato and Jordan 'Jutes' Lutes have tied the knot in a romantic ceremony in California on Sunday. She wore a custom 'pearl white' Vivienne Westwood gown with a corset bodice and a cathedral-style tulle veil for the occasion. 'I have been a fan of Vivienne Westwood's designs for a long time,' she said, reported People.