Rihanna is primarily known as a pop and R&B artist. Throughout her career, she has released music that falls under various subgenres of pop, including dance-pop, contemporary R&B, reggae-pop, and hip-hop. She has also experimented with elements of electronic, Caribbean, and trap music in her songs.

While Rihanna's music is predominantly pop-oriented, she has occasionally incorporated rock elements into her work. One notable example is her song "Rockstar 101" from her 2009 album "Rated R," which features a heavy rock influence in its sound and lyrics. The song includes electric guitar riffs and a more aggressive vocal delivery, showcasing a departure from her typical pop sound.

It's worth mentioning that Rihanna's music style and genre have evolved over the years, and she has been known to experiment with different sounds and genres in her albums.
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