Katy Perry's nerd look on 'Last Friday Night cover

Singer Katy Perry has recently unveiled the official cover art for her remixes of 'Last Friday Night (TGIF)'. The 'California Gurls' star has ditched her fashionable look and sported a nerd look for the artwork, which features her wearing a thick-framed, oversized and owl-shaped glasses, headgear and braces.

Katy Perry has once sported a dorky look, which is similar to her nerdy appearance, at 2010 Teen Choice Awards when she took the hosting duty. Her latest geeky look on the artwork for 'Last Friday Night (TGIF) pulls us back into the "90s. She has also got a totally wacky look in her eye.

'Last Friday Night (TGIF)' is Katy Perry's fifth single from her latest album 'Teenage Dream'. The American singer is in the middle of her world tour to support the album, where 'Last Friday Night' appears on the track-listing. However, the release date for the remixes has yet to be determined.