Nick and Alyssa lost their newborn due to a brain ... And just one month prior to that, he welcomed his third baby with Abby De La Rosa.

On the fourth episode of the new season of Selling Sunset, Tiesi, 33, who shares her 2-year-old son Legendary Love with Nick Cannon ... "No more pictures, Mommy,' with the finger in the face.

News last year, the $10 million dollar insurance policy "wasn't enough." read Is Nick Cannon Ready for Baby No. 13? He Says... "Should've been $12 million," he said. "One for each kid." ...

The TV host announced Tuesday that his baby with model Alyssa Scott had died ... appeared in USA Today and Washington Life Magazine. Nick Cannon is mourning the loss of his youngest child.