Nick Cannon is expecting his 8th child with former NFL'er Johnny Manziel's ex-wife, Bre. This has led many to wonder, what does Mariah Carey think of all of this?' According to a source she is supportive of Nick and they coparent great. Her main concern is making sure the twins she shares with him remain a part of his life and that he gives them equal attention. Nick is very involved in their lives. New York, NY USA - November 26, 2015: Mariah Carey rides float at the 89th Annual Macy's Thanksgiving Day Parade on Columbus CirclePhoto: Getty Images