Rihanna on Son RZA Being a Big Brother, Baby Clothing Line and New Music (Exclusive)

Rihanna is one proud mom! The singer gushes about being a 'boy mom' and shares how her and A$AP Rocky's 1-year-old son, RZA, is doing as a big brother to 5-month-old Riot Rose. The GRAMMY winner also tells ET she's making time for new music and what fans can expect. Rihanna spoke with ET's Kevin Frazier at NeueHouse in Los Angeles, where she threw a 'Phatt' end-of-the-year party to celebrate the Fenty Creeper Phatty Sneaker.