The Hottest Hair in Music

HIT SINGLE: Katy Perry's Teenage Dream was nominated for Album of the Year and Best Pop Vocal Album. Her single "California Gurls" was nominated for Best Female Pop Vocal Performance and Best Pop Collaboration with Vocals

HIT STYLE: Long, voluminous waves parted on the side (not to mention the wild wigs she wears on stage!)

HIT SINGLE Rihanna's collaborative song with Eminem, "Love the Way You Lie," was nominated for Song of the Year, Record of the Year, and Best Rap Song

HIT COLOR: The singer debuted fire-engine red strands in June 2010 and never looked back.

HIT SINGLE Lady Gaga's The Fame Monster was nominated for Album of the Year

HIT STYLE: Anything and everything! From bow-shaped updos to neon wigs, the sky's the limit for this trendsetter.

HIT SINGLE Beyonce was nominated for Best Female Pop Vocal Performance for "Halo" and Best Pop Collaboration with Vocals for "Telephone," which she created with Lady Gaga

HIT STYLE: Rapunzel-esque blonde locks that are straight, curly, glittery or matte, and always sexy.

HIT SINGLE Adam Lambert was nominated for Best Male Pop Vocal Performance for "Whataya Want from Me"

HIT STYLE: A Beatles-esque mop crop that's spiky and jet black.

HIT SINGLE Hayley Williams and her band Paramore were nominated for Best Pop Performance by a Group or Duo with Vocals for "The Only Exception." Hayley was nominated for Best Pop Collaboration with Vocals for "Airplanes, Part II," a collaboration she did with Eminem and B.o.B.

HIT STYLE A punky shoulder-length shag in vibrant tangerine.

HIT SINGLE Justin Bieber was nominated for Best New Artist and Best Pop Vocal Album for My World 2.0

HIT STYLE: A smooth sweep of chestnut strands that hit just above the eyebrow and never slip out of place...even a little.

HIT SINGLE Glee: The Music was nominated for Best Compilation Soundtrack Album, while the cast's rendition of "Don't Stop Believin'" was nominated for Best Pop Performance by a Group or Duo with Vocals

HIT STYLE: Perfectly-styled tresses that hit all the right notes.

HIT SINGLE The Portland-born jazz singer was nominated for Best New Artist

HIT STYLE: A full-on 70's Afro that's out of this world.

HIT SINGLE Janelle Monae was nominated for Best Contemporary R&B Album for The ArchAndroid

HIT STYLE: Closely shorn sides and an exaggerated, poufed up pompadour.

More on MSN Lifestyle: Get additional content on quick makeup tricks, easy haircuts for every womanand celebrity winter beauty secrets.