Dillon and husband Gabe Levin welcomed their first child, son Lucas Dillon Levin, on Tuesday, Dec. 21 in New York City, her rep confirms to PEOPLE exclusively.
"We are thrilled and absolutely in love with Lucas!" the couple tell PEOPLE of their new arrival, who weighed in at 8 lbs.
The model, 36, and Levin, a real estate investor, met during a flight in 2007 and were married on Dec. 28, 2008.
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