Britney Spears hired a vocal coach to prepare for her comeback.

The 'Crazy' hit-maker has confirmed she is in training with a team of specialists to whip her into shape ahead of her follow up to 2011's 'Femme Fatale'.

A spokesperson for Britney told Digital Spy: ''Britney has been using a vocal coach and going to regular sessions and has also been working hard with her choreographer in preparation for what's coming up.''

The confirmation comes after a timer appeared on her official website reading 'ALL EYES ON ME' and counting down the next two weeks. Britney's spokesman teased: ''With album eight on its way and a rumoured Las Vegas residency in the pipeline, eagle-eyed fans have spotted that all of Britney's social networks have adopted a blacked-out theme... the mystery continues.''

Meanwhile the singer is speculated to be releasing a track called 'Werk Bitch' as the first song from her eighth studio LP.

Songwriter Jean Baptiste - who worked with Britney on her new album - appeared to leak the song title in a tweet sent on Monday (01.09.13) when he wrote: ''WERK B***H!!!!'' (sic)

Britney also used the hashtag #WERK when on a video shoot for her comeback track.

Britney's forthcoming album appears to be shaping up nicely as, Dev Hynes aka Blood Orange and Naughty Boy have contributed material.