Lourdes Leon took to the stage on Saturday to debut her new music to a cheering crowd that included her mother Madonna, who couldn't have been prouder for her daughter's big moment. See details.

Lourdes Leon was born to be a star. Madonna’s 22-year-old daughter has been modeling since she was young, starting out by starring in her mom’s Material Girl campaigns for Macy’s.

Madonna included photos of Mercy in her post, as well as a snap with her two younger daughters, 12-year-old twins Estere Ciccone and Stella Ciccone. Her 19-year-old son David Band ...