A MTV spokesperson also confirmed the news to HuffPost.
The couple announced the birth of their daughter, Atlee Bay, on Instagram.
The couple have been on-again, off-again.
"It’s getting pathetic."
She said Liberty University President Jerry Falwell Jr. is "absolutely right."
The 25-year-old single mom is just weeks away from giving birth to her second child.
She accused liberals of trying to "make Christians look stupid."
"I’m not offended! In fact, I’m flattered that you think Eskimos look this chic."