Brown, 47, and Etheredge, wed in Honolulu in 2012, and are already parents to 7-month-old daughter Bodhi Jameson Rein and son Cassius, 6.
Etheredge?s pregnancy would make Brown a dad for the seventh time. His eldest child, Landon, turns 30 this year.
The 47-year old singer/actor has had six kids by four women.