Rihanna was feeling generous while having a night out at the Laugh Factory in L.A., where she handed her waiter a very generous tip.

According to TMZ, Rihanna was in the comedy club with 6 of her friends, watching Dane Cook perform. When the show was over Rihanna was handed the $80 tab, and asked the waiter what his biggest tip was, to which he replied "$100." 

Rihanna then handed the waiter $200 and said, "Now I'm your biggest tip." 

Source: tmz.com