U.S. singer and reality TV star Tamar Braxton announced on Twitter she gave birth to a son. "He's here!" Braxton tweeted Thursday, alongside a photo of three blue teddy bears surrounded by sunflowers and balloons. Braxton did not reveal any details about her first child's birth, including where he was born or what his name is. Braxton married record executive Vincent Herbert in 2008. The couple star in the "Braxton Family Values" spinoff "Tamar & Vince."