"Really excited 2 give u a taste of my new album…can't wait 2 share what I've been working on," the former X Factor judge wrote on July 3. "Going to be my most personal album ever" she added with a smiley face.
The 31-year-old singer's upcoming album, which will.i.am is executive producer of, is tentatively due for the end of the year.
Of the news that the record -- which will be Spears' eighth album -- was voted "the most anticipated event of 2013" by Billboard.com's annual mid-year poll, the mom of two tweeted she was feeling "a lot of pressure."
Pressure aside, the blonde beauty is hard at work perfecting the much-awaited record. "It's definitely at the beginning stages right now," she said of the recording process while talking to Ryan Seacrest on June 17. "But I want to definitely take this album and have a new approach with it and make it a little different than anything I've ever done."