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Just Chillin' - Chris Brown is just hanging out thinking of a master plan for tonight's performance. What's up your sleeve, Breezy?(Photo:  Mark Davis/Getty Images for BET)

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Peace and Love - Big Sean was all smiles as he rehearsed his set for Sunday night. We see you, Sean.(Photo: Mark Davis/Getty Images for BET)

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Tell Him When to Go - E-40's in the building, folks! Ready to see him hit the stage tonight?(Photo: Mark Davis/Getty Images for BET)

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Post to Be - It's been a while since Omarion hit the BET stage, so we're pretty stoked to see what he cooks up for this year's show.(Photo:  Mark Davis/Getty Images for BET)

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Turn Up - Judging from what we saw, it's pretty safe to say that Chris Brown's going to tear the house down with that insane footwork. You'd better tune in. He's got a few surprises.(Photo:  Mark Davis/Getty Images for BET)

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A Tribute Fit for a King - The stage is set for what is sure to be an unforgettable Smokey Robinson tribute.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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The Man of the Hour - The honoree himself saunters onto the stage to practice for his highly anticipated set.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Bridging the Gap - Ol' school and contemporary never looked so good. Singers Tori Kelly, Ne-Yo and Robin Thicke join the legend for their upcoming tribute performance medley. Tune in on Sunday to see if they do him justice.(Photo: Mark Davis/BET/Getty Images for BET)

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Just Can't Stop - R&B crooner Ne-Yo oiled his vocal chops before the big day.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Teach You a Lesson - Robin Thicke hit his sweet spot during rehearsals. Just imagine what he's got up his sleeve for the main event.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Fill Up the Room - Tori Kelly's crystal clear vocals and effortless stage presence are perfect for a tribute showcase for a legend.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Humbled - Tori Kelly is seen taking it all in as the honoree himself performs before her. (Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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In the Heat of the Moment - Ne-Yo raises his hands in honor of Robinson as he, Kelly and Thicke rehearsed for the tribute. He knows what's up.(Photo: Mark Davis/BET/Getty Images for BET)

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Music Matters - Music Matters artist Avery Wilson showed that social media is just the beginning of his musical journey.(Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Put the Passion In - Tell us you don't feel what Avery Wilson is mixing up here. We dare you! (Photo: Mark Davis/BET/Getty Images for BET)

Photo By Photo: Mark Davis/BET/Getty Images for BET

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Practicing for the Future - Future has something pretty sick up his sleeve. Are you ready to find out what it is?(Photo: Mark Davis/BET/Getty Images for BET)

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Just Being Honest - With his white fedora in tow, Future is making sure his set is perfect for tomorrow night.(Photo: Mark Davis/BET/Getty Images for BET)