The Teen Mom OG star gave birth to a baby boy with her boyfriend Andrew Glennon on Tuesday, Us Weeklyreported.
Amber's representative confirmed the news, revealing the baby's name is James and he was born at 1:39AM, weighing seven pounds and 11 ounces.
Amber, 27, is also mom to a nine-year-old daughter, Leah, with her ex-fiance Gary Shirley.
In March, Amber opened up to Us about how she took care of herself physically and mentally during her second pregnancy.
"I'm on medication for depression now that's safe for pregnant women, because it was getting pretty bad and we had a scare that maybe I would fall into a postpartum depression after the baby," said the Never Too Late author. "But everything's going smoothly."
"I just want a healthy baby," Amber previously told the magazine.
"I want everybody -- me, Gary, [his wife] Kristina, Andrew -- to blend together and stop the back-and-forth. I have a really calm, chill life and I'm happy for the first time, genuinely."
Amber and Andrew, a cinematographer, made their red carpet debut together in August 2017 at the MTV Video Music Awards in Los Angeles, CA.
The pair reportedly met while Amber was filming Marriage Boot Camp: Reality Stars with her latest ex-fiance, Matt Baier. Andrew apparently worked on the WE tv show and contacted the reality TV star once production on the series wrapped.
Amber admitted to Us earlier this year they "haven't talked about marriage or anything like that."
"We're happy where we're at," she explained in March. "If it happens, it happens, and there's no rush."
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The MTV star first found fame when she appeared on an episode of 16 & Pregnant in 2009. Teen Mom OG's seventh season just wrapped in early April. About The Author:Elizabeth Kwiatkowski
Elizabeth Kwiatkowski is Associate Editor of Reality TV World and has been covering the reality TV genre for more than a decade.