The Real Housewives of Salt Lake City star Mary Cosby's son, Robert Cosby Jr., has broken his silence after recently being released from a Utah jail. "I'm back :)," Robert 23, posted via Instagram on Friday, February 6, alongside a carousel of photos of himself and his pet bulldog. Robert's attorney Clayton Simms confirmed to People on Wednesday, February 4, that the Bravo star was released from Salt Lake County Metro Jail on Tuesday, February 3, after two months behind bars.