Amanda Bynes arrives at Tao nightclub inside the Venetian Hotel and Casino for the club's four-year anniversary party on October 3, 2009 in Las Vegas, Nevada.
Diddy served as emcee for the evening, giving multiple shout-outs to DJ Vice and fighter Floyd Mayweather Jr. The music mogul also gave a brief performance and led the crowd in singing "Happy Birthday" to the club.
The evening also included a one-year anniversary toast to sister spot Lavo nightclub, located next door at the Palazzo Hotel.
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