Ariana grande is mainly known for her role in victourious as cat valentine a silly girl with an amazing voice. the character had a high voice and kind of a supidly intresting image and she continued that role when the started the show call sam&cat the one about the two girls who met by chance and ended up creating a babysitting service with alot of fun times. ariana is also known for her crazy high notes and amazing songs along with her amazing pop sons with all kind of people she knows.