Following her success in yesterday's (February 1) midweek singles chart with 'Price Tag', which put her at number 1, Jessie J has given a surprise announcement. 

She tweeted a teaser this morning at 8.30am that said:

"I have some very exciting news... I will be announcing at 9 30am! (UK time)"

An hour later, the 'Do It Like A Dude' star revealed:

"Myself @islandrecordsuk and @RepublicRecords have decided..."

"That you deserve the album EARLY!!!! Who is ready for the NEW date?? #heartbeats #whoyouare"

Her debut album, 'Who You Are', will now be released 4 weeks advance of its original schedule on February 28. You can watch the video for her second single 'Price Tag', which features rapper B.o.B, here: