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By DAILY MAIL REPORTER
Granny chic: An expressionless Britney Spears pictured out and about in Los Angeles yesterday in an unflattering grey cardigan and sporting scraggly hairShe showed some potential in the wardrobe department last week.
But just days after looking groomed and polished, Britney Spears has taken several sartorial steps backwards and reverted to her customary scruffy style.
The singer was photographed yesterday wearing an unflattering cardigan over a checked shirt with her scraped back hair reveal her scraggly hair extensions.
Looking tired: She was pictured carrying her younger son Jayden James as she chatted on the phoneWith her expressionless face, the singer looked somewhat down in the dumps - which is surprising as she is no doubt destined for yet another No.1 single.
The 29-year-old star releases her comeback track - Hold It Against Me - tomorrow (January 11) to U.S. iTunes stores.
UK fans, however, will have to wait until February 20 to purchase the thumping dance tune.
Casual: Mummy duty: On Saturday the star was pictured with son Sean Preston attending a children's birthday party
Give us a smile: Brit, whose new single is officially released in the U.S. tomorrow, wore a striped top and jacket teamed with jeans and brown bootsBut in the meantime, the final cut of the song - produced by Dr. Luke and Max Martin - leaked online this morning and was also played for the first time on Ryan Seacrest's KIIS Fm radio show in Los Angeles.
True to Brit's style, there is a poppy chorus, suggestive lyrics and the song even features some trance-style beats, ensuring it will be a club favourite this summer.
An unfinished demo of the track was leaked on the Web last week, although Britney quickly took to Twitter to warn fans to expect something even better.
Cute: Sean Preston slurps on an iced drink as he heads in to the party
Groomed: Britney pictured on Friday looking polished as she left a nail salon 'Heard an early demo of my new single leaked. If u think that's good, wait til you hear the real one Tuesday,' she tweeted.
Dr. Luke later added: 'That version of hold it against me is really really old. It don’t sound like that anymore… it’s WAY better.'
Luke recently revealed that he wanted the sound of the new album to 'get harder' and 'maybe a little more deep into electronic – grimier.'
The song, from her upcoming album, is described as 'an upbeat, dance/pop tune with a pulsating beat.'
The new single will be the first from the singer since her last hugely successful album Circus, released in December 2008.
It became one of the fastest-selling albums of the year and sold four million copies worldwide.
Earlier this month, Britney also announced via Twitter that the new full album will be released in March 2011.
Britney Spears - Hold It Against Me [OFFICIAL New Single and Full Song]
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