Selena Gomez is a billionaire and, at 32 years old, she is one of the youngest women in the United States to reach such a milestone. ADVERTISEMENTGomez, an actress who came to fame on "Wizards of Waverly Place" on the Disney Channel, also stars in Hulu's "Only Murders In the Building" and the upcoming film "Emilia Perez." FOLLOW REALITY TV WORLD ON THE ALL-NEW GOOGLE NEWS! Reality TV World is now available on the all-new Google News app and website. Gomez also executive produces and guest stars in a spinoff of "Wizards of Waverly Place," called "Wizards Beyond Waverly Place," which premieres in October.