Madonna Leads Audience in Singing Happy 18th Birthday to Daughter Mercy
Madonna and Mercy James. Kevin Mazur/WireImage for Live Nation/Getty Images Nearly 20,000 fans helped Madonna celebrate the 18th birthday of her daughter Mercy. The Material Girl, 65, brought her dancers on stage to join her and Mercy, who was playing piano, during a show on Monday, January 22, at Madison Square Garden in New York City. Madonna led her troupe in singing Happy Birthday, and the entire audience joined in for the joyous occasion. Mercy shouted “Oh my God” as the sold out crowd sang