What Rihanna song appears on Now THat's What I Call Music! 34?
Now That's What I Call Music! 34 (U.S. series):  34 was released on June 15, 2010. Rude Boy (Rihanna song): "Rude Boy" is a song by Barbadian singer Rihanna, taken from her fourth studio album, "Rated R" (2009).
i don't know