Sarah Harding has finally showed signs of losing her party girl image by calling it quits last night at 2:30am.

The Girls Aloud star still looked fresh faced, with not one hair out of place, in the early hours of the morning.

We’re used to seeing the blonde pop star stumbling out of clubs much later than 2:30am and is famous for squeezing in numerous parties within one night.

But the 28-year-old looked ready to hang up her party girl gloves last night as she calmly strolled out of Camden’s Gilgamesh in London.

The former Ultimo lingerie model looked more suited for the office than a club, stepping out in an all-black ensemble with a tailored silver blazer.

Her sexy secretary look was finished off with pulled back hair and black stilettos, making Sarah look the picture of sophistication.

Sarah has kept a relatively low profile recently but hinted at last week’s V Festival that she might be working on a solo album.

Since Girls Aloud embarked on their hiatus, Cheryl Cole is the only member to so far release solo material, while Nadine Coyle is reportedly about to launch her career shortly.

But Sarah said last weekend: ‘I missed the first day of V as I was stuck in the studio recording all day.

‘I can’t tell you why yet, sorry, but I’m really excited about it.’

Could this mean that Cheryl and Nadine might have some solo competition?

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