Katy Perry performed at the 2012 Hammer Gala held at the Hammer Museum on Saturday in Westwood, California.

The singer wore an Elie Saab Fall 2012 gown.

Her nude fully embroidered boatneck long-sleeve gown and a cream belt with gold buckle detail was accessorized with a bedazzled microphone.

With her raven hair falling around her shoulders she completed her look with a large cocktail ring and flawless makeup.

Credit: Style.com & Getty