The singer was forced to premiere the track on September 15th after it was leaked online 24 hours earlier.
Britney’s manager Adam Leber tweeted: “@BritneySpears #WORKBxxCH is officially available on iTunes globally except the UK. Working on a UK iTunes release….”
There has been no confirmation as to when the song will be available to download in the UK, although it climbed to number 12 in the US charts just hours after its release.
‘Work Bitch’ is the first single to be lifted from her eighth studio album, due for release later this year.
The singer has also hinted at a ‘big announcement’ during her appearance on Good Morning America tomorrow (17th September).
Listen to ‘Work Bitch’ below and let us know what you think!