London, (Agencies): Singer Britney Spears  is all set to release her seventh studio album titled "Femme Fatale" and described  the album as ‘Sexy and Strong’.

She says she has poured her "heart and soul" into the record.

"I've poured my heart and soul into this album over the last two years. I've put everything I have into it," according to media reports.

She has also posted a picture of her album cover on Twitter, which features a close-up shot of her looking seductively into the camera.

"This album is for you, my fans, who have always supported me and have stuck by me every step of the way! I love you all!" she said.

She added that her album is "Dangerous yet mysterious. Cool yet confident!"

"Femme Fatale" will be out on March 15.