After working with some of the world's top chefs in her own kitchen on "Selena + Chef," Selena Gomez is raising the stakes on her culinary adventure. She and friend Raquelle Stevens head out to work in Los Angeles' hottest restaurants, where they will be put through the paces. In an added twist, Selena will also be trying to make a signature dish good enough to land on the restaurant's menu. As on "Selena + Chef," each chef will get to highlight a charity during their respective episodes that will receive a donation.