Whew! Roomies, y'all ever witnessed a moment so legendary that the crowd doesn't even know whether to scream, cry, or pull out the slow-mo filter? That's exactly what went down in ATL when Chris Brown brought out none other than Usher during his 'Breezy Bowl' tour stop. The vibes? Immaculate. The vocals? Untouchable. And the energy? Straight R&B royalty linking up on one stage - with mutual respect, not rivalry, front and center. RELATED: Not The Coworker! Summer Walker Reacts After Chris Brown Pulls Her For Spicy 'Take You Down' Performance (VIDEOS) Two Kings. One Stage. All Vibes.