Singer Rihanna wowed the world at Sunday night's 57th Annual Grammy Awards after an amazing performance of her new single 'Four Five Seconds,' but that wasn't all fans were talking about.

Was Rihanna The Worst Dressed Artist At The 2015 'Grammy Awards'?

While fans were happy to see Rihanna rocking out on stage, it's clear by their reactions that they weren't too fond of her outfit choice. The singer wore a multi layered pink Giambattista Valli gown and her fans think it was a big fashion no-no.

Viewers on Twitter took to the social media site to voice their opinions on Rih's dress and to share laugh-out-loud memes.

Rihanna & Kanye West Took Over The Grammys Stage With Performance Of 'Four Five Seconds'

While Rih’s fans may have felt indifferent about her wardrobe choice, the singer put on a phenomenal performance at the event. Rih took the stage with rapper Kanye West and Beatle’s singer Paul McCartney.

The trio performed their new collaboration ‘Four Five Seconds,’ and their performance was one of the best musical acts of the night.

After the show, Rih Rih took to Twitter to relive the moment, and it’s clear that she’s happy to be back on stage.

Back in Dec. Rihanna confirmed that she was working on her 8th studio album ‘R8,’ and it’s believed that the new album will be released soon. Be sure to check in for more updates on Rihanna’s new music.

Viewers can watch Rih's Grammy debut performance of her new single 'Four Five Seconds' in the video below.