He's got her, babe. Although he is perhaps most well-known as the eldest child of Cher and the late Sonny Bono , Chaz Bono has another very important woman in his life: Jennifer Elia, his girlfriend of four years. In part two of an interview with ET 's Mary Hart , airing tonight, Bono (formerly known as Chastity) says that Elia has "been amazing" throughout the process of his sex changed, announced in June. See today's hottest celeb photos "I feel really grateful to be going ...