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Leading up to the Grammy Awards tonight, much had been speculated about both Rihanna and Chris Brown's respective performances. After all, the former couple's connection with the Grammys was forever marred by the domestic violence scandal that led both to cancel their performances back in 2009.

But tonight (Feb. 12), both returned to the Grammy stage with two very dance-centric performances. While Chris Brown chose to pretty much lip-synch his entire performance and focus on his dance movies alone, Rihanna sang her way through most of her performance (with a few off-key moments) while being accompanied by tons of back of dancers.

We were pretty impressed by both artist's dance moves ... so much so that we put together a video of their respective performances for your viewing pleasure. Watch below then vote on who you thought rocked it harder!

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