 Sprinkles has gained many celebrity endorsements.Oprah Winfrey, Barbra Streisand, Tyra Banks, Katie Holmes, Paris Hilton, Blake Lively, Ryan Seacrest, Tom Cruise, and Jake Gyllenhaal are among its customers.Barbra Streisand was one of Sprinkles' first customers and introduced Oprah Winfrey to the brand by sending her a box of cupcakes.