[HIT OR MISS] Serena Williams Freestyle?

Serena Williams picks up the mic for her first hip-hop track.

TMZ has uncovered a song that Serena recorded last year at a Florida studio.

The 30-year-old athlete delivers cocky rhymes and shouts out her sister Venus on the track.

Check out her first recording and comment what you think.

http://cdnapi.kaltura.com/index.php/kwidget/wid/1_mnan7khp/uiconf_id/48502