Rihanna: 'Unapolegetic' Studio Session!

Rihanna rocks a tight mini dress while making her way into a recording studio on Thursday night (October 11) in Los Angeles.

“Sneaking out between studio sessions to get RATCHET real quick!!,” the 24-year-old pop star wrote on her Twitter account. “#unapologetic.”

PHOTOS: Check out the latest pics of Rihanna

In case you missed it, check out Rihanna naked on the official cover for her newly announced seventh studio album Unapolegetic, due out worldwide on November 19.

The lead single “Diamonds” is available on iTunes NOW!