Spotted: Lady Gaga wears a wedding gown to a party with Rihanna & Jay-Z

Lady Gaga, on Sunday took things to a whole other level as she partied in London with pals Rihanna and Jay-Z at the Arts Club in Mayfair. She sported a very revealing white wedding gown as she arrived at the venue to begin her evening.

See pictures after the cut

Who else can pull this off! This girl shaa