Chelsea Kane Staub (born September 15, 1988) is an American actress and singer. Her first starring role was in the 2007 film Bratz: The Movie. She is best known for her role as Stella Malone in the Disney Channel sitcom Jonas (now titled Jonas L.A.). She also appeared in the Disney Channel Original Movies, Minutemen and Starstruck. She also co-stars in the Disney Channel animated series, Fish Hooks.
Staub is the only daughter of Becky and John Staub. She grew up in Phoenix, Arizona where she attended Mohave Middle School. She is an alumna of Valley Youth Theatre. She attended Saguaro High School for one year, before moving to Los Angeles.
In 2007, she played her first starring role as well as her first theatrical role, in the theatrical motion picture Bratz: The Movie as Meredith Baxter Dimly, the film's primary antagonist. She performs two of the songs on the film's soundtrack.
In 2008, she acted in the Disney Channel Original Movie, Minutemen, as Stephanie Jameson. She appeared in one episode of Wizards of Waverly Place, and she appeared in the movie Starstruck. She played the role of Stella Malone, the stylist and long time best friend of the band JONAS in the Disney Channel