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

Rihanna attended the "Smurfs" premiere in Saint Laurent gown while her sons, Riot and RZA, shone in custom Dior Homme.

The rare public outing for the family occurred on July 13 at the Los Angeles premiere of Rihanna’s upcoming film “Smurfs,” in which she plays Smurfette. The pregnant singer was pictured on the red carpet with RZA,