Post Malone is a girl dad! The "Circles" rapper casually shared the exciting news on Howard Stern's Sirius XM show on Monday while talking about recording his album. "I went and kissed my baby girl," he told the host who promptly asked if he meant his girlfriend or a child. "That's my daughter," he replied. The 26-year-old, who typically keeps his personal life private, also revealed that he popped the question to his girlfriend and is getting married.