The 43-year-old actor even made it a family affair by bringing along his actress wife Jada Pinkett-Smith and their son Jaden.
And no reason Will was smiling so widely – his team ended up beating their rivals 89-72.
Of course the Fresh Prince of Bel Air star became a part-owner of the popular sporting franchise last year.
So the victory means he has bragging rights over rival rapper Nelly and all-time basketball great Michael Jordan, who both have stakes in the Bobcats
Generous Will was kind enough to take a photo of a giggling female fan who wanted a picture, ironically not with him, but his teen idol son Jaden.
No doubt the 43-year-old Men In Black favourite remembers the days when all the young ladies wanted to grab a snap with him back in his glory days as part of hip-hop duo DJ Jazzy Jeff and the Fresh Prince.
But the Wild Wild West star is still overwhelmingly popular in his home town, and took great delight in giving his fellow Philadelphians a two-fingered salute during a break in play.