The mother of the actress Gabourey Sidibe, she spent decades singing full time as a busker in the New York City subways.

Alice Tan Ridley, a singer who shared her powerful vocals on the New York City subway before performing on "America's Got Talent" and the mother of Oscar nominee Gabourey Sidibe, has died. Ridley died March 25 in New York City,

The actress's mother performed in NYC subways for 30 years before appearing on "America's Got Talent" in 2010.