Complex sentence: Demetria Devonne "Demi" Lovato (born August 20,1992) is an American actress and singer who made her debut as a child actress in "Barney & Friends".
Split into simpler sentences: Demetria Devonne "Demi" Lovato (born August 20,1992) is an American actress and singer. She made her debut as a child actress in "Barney & Friends".