Credit: Scott Gries/Getty Images Photo: Chris Brown: Zip-Up Knit at Z100’s Jingle Ball, December 2008

Chris Brown wore his “B” letter jacket while performing toward the start of the 54th Annual Grammy Awards.

For his medley of "Turn Up The Music" and "Beautiful People,” the singer and his dancers jumped up and down on brightly colored squares, like they were performing on their own Tetris set — or maybe a Rubik's Cube.

Chris was also scheduled to perform David Guetta’s “I Can Only Imagine,” along with Lil Wayne.

Just three years ago, Chris allegedly beat his then girlfriend, Rihanna, on the night before the 2009 Grammy Awards. There was even some question of whether Chris should be allowed back to perform at tonight’s Grammys.

Are you glad he came?


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Credit: YouTube Photo: Watch Chris Brown Perform a Medley at the 2012 Grammy Awards