Precious star Gabourey Sidibe’s mom, Alice Tan Ripley, who has been performing in New York City subways for the past few years, has scored an upcoming appearance on America’s Got Talent. Ridley, who says she hasn’t yet gotten a chance to tell her Oscar-nominated daughter the news, hopes the appearance serves as a stepping stone to greater fame: “It’s a big break for me and I would like to follow in Susan Boyle’s footsteps and become a star in my own right.†Hopefully minus the nervous breakdown and rehab stint part. [Radar via Movieline]