"On Dec 16th at 6:42am in our bathroom Junie decided she wanted to take her first breath into this world," the singer captioned a snap of the newborn. "She came out as a wonderful surprise to everyone! Not knowing I was in labor until I felt her head...it took two ten count pushes with my fiancé playing Dr and she entered this world into his bare hands!"
The Cleveland Cavaliers player then got crafty while waiting for the arrival of licensed medical professionals.
"Eyes full of tears and barely able to speak to the emergency operator @imanshumpert tied a pair of red headphones around the umbilical cord and the ambulance made there grand entrance 5 min later," the new mom continued.
A source told E! that the healthy baby girl arrived "at 35 weeks and 4 days, weighing 6lbs. 7oz. and 19.5 inches."