"Big Time Rush" actor Carlos PenaVega, announced on Monday that their daughter was delivered as a stillborn. Their daughter, whom they named Indy Rex PenaVega, was the couple's fourth child.

Related: Alexa and Carlos PenaVega Are Expecting Baby No. 4: 'Oh Baby, Here We Come' "This little girl has already changed our lives in so many ways," they continued. "She was absolutely beautiful.