by Radar Staff

Rihanna, who?

Chris Brown gave one lucky fan a memorable night when he had her sit in a chair on stage while he dirty danced -- even giving her a mini- lap dance!

PHOTOS: Chris Brown Dirty Dances For Fan

Brown was shirtless through most of his steamy performance in Miami, which was part of the 'Best Of The Best' Spring Fest concert in Bicentennial Park.

• TAGS

• Best Of The Best Spring Fest Concert
• Celebrity Concert
• Chris Brown
• Lap Dance
• shirtless celebs