Rihanna, who voices Smurfette in the Smurfs movie, revealed that her go-to karaoke song is "Burning Blue" by Mariah the Scientist. The track is the lead single from Mariah's upcoming album and peaked at No. 25 on the Billboard Hot 100. Rihanna also debuted new music in the movie with the song "Friend of Mine." At the premiere, Rihanna and her partner A$AP Rocky hinted at the sex of their third child together. The couple already has two sons, RZA and Riot.