Selena started acting in Barney & vrienden when she was 7. she played the role as Gianna. then she had minor roles in Game Over, Walker,& Texas Ranger. in 2004, she was discovered door disney channel and had guest apparences in Hannah Montana, and the Suite Life. Then starred in her own tv toon Wizards of waverly place. in 2008 she started acting in hit films like Another Cinderella story and all that stuff..
She started in Barney then she auditioned for Wizards when she was 11 of 12 and they made her ster in shows like the Suite Life and Hannah Montana before they started filming.