Usher could have done with a 'heads up' Monday night after a fan kicked him in the face during a raunchy onstage performance and RadarOnline.com has the painful video.
The R&B singer got the female fan hot-under-the-collar after inviting her up on the Madison Square Garden stage to be serenaded, but things got cool rather quickly when she booted him in the nose.
The pair was engaged in an embarrassing bump-and-grind session on a chaise lounge when things got a little rough.
In an attempt to turn around and straddle the star, the fan lifted her leg high in the air and booted him with her high heel shoe, sending him off balance.
But she took control of the situation telling him, 'I'm gonna take care of you. I'm gonna take care of you' as she wiped sweat from his brow.
Despite the violent encounter, Usher ended his rendition of Trading Places which a smile on his face and a hug for the fan as the lights went down.