How Rihanna is Prepping for Two Kids Under 2 With A$AP Rocky (Source)

Rihanna and A$AP Rocky's household is about to get a whole lot bigger! A source tells ET, the singer is due any day now and she is 'as ready as she’s going to be.' The couple is already proud parents to their 1-year-old son, RZA. Our source adds, 'She knows her world is about to get exponentially busier with two babies in the house under two.'