The 9-1-1 cast came together to wish co-star Gavin ... The birthday message concluded with a lovely rendition of Tracie Thoms' singing "Happy Birthday," at the behest of on-screen wife Aisha ...

While there was nothing unusual about the video, some X users trolled the pair and suggested that the lawsuits and allegations against Diddy have cast ... singing to another grown a*s man happy ...

But besides asking friends and family to wish his father a happy birthday, James got a little more ambitious and decided to reach out to the cast of "Seinfeld." They were more than happy to ...