Britney Spears Debuts "Work Bitch" Song After it Leaks Online One Day Early

She's baaaack! Britney Spears' highly-anticipated single "Work Bitch" has arrived -- a bit early, that is. The 31-year-old singer's new song off her upcoming album leaked one day early online Sunday, Sept. 15, at first disappointing the Queen of Pop.

"Woke up today and saw that a low quality version of Work Bitch had leaked :(" she tweeted when she heard the news. But as her new song points out, the mother of two just got straight to work, and took the unfortunate situation into her own hands -- and fast!

"The radio #WORKBxxCHPremiere is now happening at 3pm ET- tune in to your local station, @iHeartRadio,or @radiodotcom to hear the REAL THING!" she tweeted again. She later added: "So…how'd we do? Hope you all love it as much as I do?! #WORKBxxTCHPremiere."

Spears has been working hard on the catchy club tune, sharing with fans the cover art for the single this past week. On Sept. 12, she revealed a sexy photo of herself via Twitter wearing a low-cut sequined turquoise body suit. She wore the cleavage-baring outfit in front of a vanity table with a mirror that reflected her stunning backside.

"Work Bitch" will be released on iTunes tonight at 12:01 a.m.