Teen Mom 2 star Kailyn Lowry is a mom for the second time.
She welcomed son Lincoln Marshall Marroquin with her husband Javi Marroquin. Born Saturday at 4:28 p.m., the healthy boy weighs 8 pounds, 6 ounces.
"I am exhausted, but we are so excited and surprised by our new baby boy," Lowry said, while a friend said, "They are overjoyed to give Isaac a sibling.
Her older son, 3, is from her relationship with ex Jo Rivera.
After she and Jo parted ways, Kailyn Lowry, 21, and Marroquin, a member of the U.S. Air Force, dated for over a year before tying the knot back in 2012.