Question: who voices star vs the forces of evil
Answer: The first Disney XD series created by a woman , and the third overall for Disney Television Animation ( following Pepper Ann and Doc McStuffins ) , it follows the adventures of Star Butterfly ( voiced by Eden Sher ) , the turbulent young heir to the royal throne in the dimension of Mewni , who is sent to Earth so she can complete her education and learn to be a worthy princess , and Marco Diaz ( Adam McArthur ) , a human teenager who becomes her roommate and best friend , as they live their daily lives , and go on adventures in other dimensions .