Usher’s reign atop the Billboard Hot 100 chart continues this week. The “Raymond V. Raymond” star’s dance friendly single “OMG” bested advancing singles from Katy Perry, B.o.B and Eminem to retain the top spot Thursday. Taken from his 2010 effort “Raymond V. Raymond,” “OMG” also claims the top spot on the Rhythmic Chart where it becomes Usher’s tenth no.1. In related news, Usher is up for a 2010 BET Award. He will face off with his peers Raheem Devaughn, Trey Songz, Chris Brown and Maxwell when the awards air June 27. “Raymond V. Raymond’ is in stores now.