Congratulations are in order for Johnny Manziel's ex-wife, Bre Tiesi -- the model and Nick Cannon just welcomed their baby son to the world!!
Tiesi announced the news on Monday ... saying it was an at-home, unmedicated birth.
"This was the most humbling / limit pushing yet awakening and completely empowering experience," Tiesi said on Instagram.
"This experience has changed me forever and I couldn’t of asked for a more amazing and supportive partner.