The Goo Goo Dolls are an American rock band based in Buffalo, New York, composed of lead vocalist and guitarist John Rzeznik, bassist and vocalist Robby Takac, as well as several rotating members since its formation in 1986. From Wikipedia
The oceanfront Bellosguardo Estate ceremony featured custom Vivienne Westwood designs paired with a John Rzeznik performance followed by a Paris Hilton DJ set.