Hayley Kiyoko

   Hayley Kiyoko Alcroft^[1] (born April 3, 1991), known professionally as Hayley Kiyoko, is an American actress, singer and dancer. She is best known for playing Velma Dinkley in Scooby-Doo! The Mystery Begins and Scooby-Doo! Curse of the Lake Monster, as well as Stella Yamada in the Disney Channel film Lemonade Mouth.