Bobby Brown Parties w/ Randoms To Celebrate New Baby (TMZ TV)

Bobby Brown doesn’t sit around hospital rooms anymore when he has a baby -- instead he celebrates by singing with random bands in Bev Hills ... and it’s actually pretty awesome. We got this video of Bobby doing “My Girl“ Thursday night at Caffe Roma ... shortly after his wife, Alicia, gave birth to their third child ... a 10 pound baby girl. Full Story: Subscribe! TMZ -- Subscribe to TMZ Live -- https://w