It's not often that the toddler boys are pictured together in public, so the sighting was a real treat for fans.

The Umbrella star discussed RZA and Riot's interest in music as she attended the Los Angeles premiere of her new movie Smurfs on Sunday. Rihanna, who is currently expecting her third child with A$AP Rocky,

A pregnant Rihanna hit the red carpet for the first time with both sons, introducing RZA & Riot to Papa Smurf at the L.A. Smurfs movie premiere.