Ashlee Simpson and Evan Ross welcomed their first child together, a baby girl, on Thursday night, E! News confirms. The couple, who wed in a gorgeous ceremony in August 2014, was surrounded by their family when their little one made her big debut. "Evan was very emotional and loves Ashlee so much," a source tells E!. "He did not leave her side and wanted to go through this with her every step of the way. He can't wait to be a dad. He would do anything for Ashlee and now this baby girl.