0 Janet Jackson Has Teamed With Maroon 5 But Duet With Mariah Carey Hasn't Happened Yet, Jermaine Dupri Says

'I wouldn't want to do a song with [Mariah] and Janet and it don't live up to them being as big as they are,' hitmaker says.NEW YORK — Jermaine Dupri just released his autobiography, "Young, Rich, and Dangerous: The Making of a Music Mogul," and his Y'All Know What This Is ... the Hits collection drops October 23, but what has his girlfriend been up to? Well, the hitmaker said fans can expect to