Shanica Knowles, also known mononymously as Shanica, is an American actress, singer-songwriter and instrumentalist, known for her roles as Amber Addison on Hannah Montana, Shauna Keaton on Jump In!, and Vanessa on Unfabulous. She has also portrayed the roles of Tichina Arnold on Surviving Compton: Dre, Suge & Michel'le, Simone Burch on The Young and the Restless, and Tahlia on Life-Size 2.