"I am exhausted, but we are so excited and surprised by our new baby boy," Lowry, 21, said, in announcing the birth of Lincoln Marshall, who came into the world on Saturday at 4:28 p.m.
Lincoln, who weighed 8 pounds, 6 ounces, is Lowry's second child, and her first with Marroquin. Her first, Isaac, 3, is the son of Lowry's ex, Jo Rivera.
Lowry and Marroquin tied the knot back in September 2012, and held a big wedding ceremony at Adventure Aquarium in Camden, New Jersey on September 21st.
Celebrity Families of 2014 [PHOTOS]