Jessica Simpson Gives Birth

6/30/2013 3:00 PM PDT

Jessica Simpson -- Gives Birth To Baby Boy

Breaking News

Jessica Simpson's fat days are numbered ... she just popped out baby #2, TMZ has confirmed.

Jessica's rep tells TMZ ... the singer gave birth to a baby boy earlier today in an L.A. hospital. She and Eric Johnson named the lil tyke Ace Knute Johnson. North was taken.

Jessica and Eric have one other kid together ... daughter Maxwell ... born May 1, 2012.

With Jessica and Kim K popping out their wee ones soooo close together, we gotta ask: