From WENN.com

The Hollywood superstar took along his wife, Jada Pinkett Smith, and their kids Jaden and Willow, to see 20-year-old Trey playing songs at the Jelsomino venue in Miami Beach.

Smith even treated club-goers to an impromptu performance of his 1998 single Miami, according to New York Post gossip column Page Six.

Trey is Smith's son from his first marriage to Sheree Zampino.