Despite chart-topping songs, massive tours, iconic moments and more, four singers have shockingly never won a GRAMMY Award.

Until then, take a look back at some of the unforgettable red carpet looks at the Grammy Awards in 2015: ...

Katy Perry abided by CBS' no-nudity "Wardrobe Advisory" at the Grammy Awards by wearing a mint green Gucci gown that fully covered her body — save for a keyhole cut-out showcasing the singer's ...

Katy Perry is looking back on her 2015 Super Bowl performance with nothing but love. Perry, 40, shared a series of photos from the big day nearly 10 years ago on Instagram, captioning the carousel ...

Winning a Grammy has got to feel pretty good. Recognition from the Recording Academy, warm applause from your fellow artists, career validation... And at the end of the night you get to take home ...

On Jan. 26th, Katy Perry, Queens of the Stone Age and Snoop Dogg will all be making return trips Grammy Awards — and all three superstars will be vying to take home their first trophy.