Would you be offended if wack-a-doo fashionista Lady Gaga shared your taste in clothes?

Well, just a day after Rachel Weisz walked the red carpet for the premiere of her new film "The Lovely Bones" on December 7 in a gorgeous gray-blue chiffon Valentino design, the superstar songstress chose a similar, yet longer, style from the Italian designer to perform at the launch of the new music video site VEVO.

Photos (left to right): John Shearer/WireImage; Eric Ryan/Getty Images