Ryan Dunn

By DAILY MAIL REPORTER

Pit stop! Britney Spears stopped at a local McDonalds yesterday with her boyfriend Jason Trawick and sons Sean Preston and Jayden James

Her appearance seems to go from neat and clean to unkempt and dishevelled on a daily basis.

And while, for once, her hair extensions were not on show, Britney Spears still managed to messy once again as she made a brief stop at a local McDonalds yesterday.

The singer was accompanied by boyfriend Jason Trawick and her sons Sean Preston, five, and Jayden James, four.

Unkempt: Britney looks the opposite of together in an unflattering white shirt

Wearing a tight white ruffled shirt and blue jeans, Britney looked bloated and tired as she and her children nipped inside to use the restroom.

The Toxic star has been busy in the dance studio getting ready to shoot the music video for new single Don't Hold It Against Me, which was released last week.

The song shot to the top of the iTunes chart and has received compliments from Miley Cyrus as well as Kanye West who made a joke post about it on Twitter.

Tired? Britney has been busy in the dance studio in preparation for the music video to new single Don't Hold It Against Me

He said: 'I'm really happy for you and I'mma let you be #1, but me and Jay-Z single is one of the best songs of all time! LOL.'

The tweet poked fun at his now infamous interruption of Taylor Swift’s acceptance speech at the 2009 VMAs.

But the comment did not go down well with Britney's camp, who responded by posting a message in response on her own Twitter.

'Thanks for "letting" us be #1. Much appreciated.... -Adam Leber, Manager.'

Busy: Britney announced this month that her new album will be released in March

Kanye later deleted it his original comment, perhaps having second thoughts about the whole thing.

He said: 'I thought LOL signified a joke… I didn’t get the 2011 LOL doesn’t signify a joke anymore memo… LOL or something else I guess.'

Hopefully Britney will clean her act up in time for her album launch in March.

It was only last week that Britney gave photographers a clear view of her extensions as she headed to a dance studio in West Hollywood.

Stepfather to be? Trawick is very hands-on with Britney's sons Sean and Jayden

It was claimed recently celebrity hairstylist Kim Vo has now taken charge of Britney's hair, and is trying desperately to fix the damage her constant extensions have caused.

A source told gossip website UsMagazine.com: 'He mentioned how often she changes her mind about it.

'This week she wants it to her bottom, and two weeks later they'll probably cut it again. Vo wasn't responsible for her hair over the last few years but is trying to fix it now!'