We're not exactly sure why he agreed to do it. But during an open run in Los Angeles last night, Chris Brown allowed Pistons center Andre Drummond to dunk on him. He also let someone film the dunk and throw it up on Vine.

Drummond later admitted that the dunk was just a "joke":

But this still feels a little strange. Brandon Knight would probably do anything to be able to erase this epic dunk from our memory. Yet, CB is out here giving us facial footage for fun. Seriously, man?

RELATED: The 25 Best Facial Dunks in NBA History

[via Ball Don't Lie]