Ashlee Simpson and husband Evan Ross have welcomed their first child. The 26-year-old actor and 30-year-old singer are proud parents to a baby girl, sources confirmed to news outlets Friday. Simpson reportedly gave birth to her daughter Thursday, July 30. Ross and Simpson married in August 2014, and announced they were expecting in December. The actor delighted fans by posting new photos from the couple's wedding this week, writing, "I can't wait to meet my little baby girl." Ross is the eldest son of singer Diana Ross and late businessman Arne Naess, Jr., and half-brother to actress Tracee Ellis Ross. Simpson was previously wed to Pete Wentz, and shares six-year-old son Bronx with the Fall Out Boy bassist. The actor is known for portraying Messalla in "The Hunger Games: Mockingjay - Part 1," and will reprise the role in Part 2 in November. Simpson is the younger sister of designer Jessica Simpson, and last released "Bittersweet World" in April 2008.