His dance moves, however? Not so cool.
The retired four-star general ended up on stage at Ron Perelman's Apollo in a Hamptons benefit Saturday night, swaying and jumping arm-in-arm with Jamie Foxx as Pharrell Williams, Lenny Kravitz and the Roots performed.
Powell even sang along a few words of Robin Thicke's "Blurred Lines" and boogied with Katie Holmes and Ellen DeGeneres.
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Aaron Carter is still in love with Hilary Duff