Kanye West // Casio G-Shock "Shock The World 2009" event in New York City

Rapper Kanye West took the stage Wednesday night (Aug 5) and performed at Casio’s G-Shock “Shock the World” event at Cipriani Wall Street in New York City. The company, celebrating 26 years in the timepiece business, unveiled its new collection of watches before treating the crowd with an exclusive performance from Mr. West. His girlfriend Amber Rose can be seen in the audience supporting her man in the pics below.

PHOTOS: GETTY IMAGES / FILM MAGIC