Kisses allowed? Sarah Harding cosies up to a lucky man... but he's not her boyfriend

If Sarah Harding's boyfriend Tom Crane has a jealous streak, he might do well to avert his eyes now.

The Girls Aloud pop star was spotted cosying up to a mystery man at Manchester's Hilton hotel over the weekend.

Wearing a form-fitting scarlet frock and towering peep toe heels, the singer leaned in for a warm embrace and what appeared to be a kisses with her handsome companion.

Getting cosy: Sarah Harding cuddles up to a mystery man at the Hilton hotel in Manchester over the weekend

Who's that boy? The singer chats away with her companion

Of course, it may simply be the flirtatious 26-year-old putting her playful side on show.

Sarah and her DJ boyfriend began dating a year ago after she split from her journalist boyfriend Joe Mott.

The now live together in the singer's £1 million flat in London's Camden and have already discussed the prospect of marriage and children.

Boys allowed: Sarah and Tom Crane, pictured here in February, have been dating for more than a year

Sarah, who revealed Tom has promised to propose to her in Venice when the time is right, has said: 'We have talked about children. Tommy wants loads. More than I think I can pop out!'

The notorious party-girl also says the pair plan to build their own home in the country.

She has said: 'We've got plans to move out and build our own place. There's some land we've got our eye on.

'I want to be out in the country, riding horses, sitting by a big log fire and being a home bod.'

Sarah and her Girls Aloud band mates have just wrapped up their Tangled Up UK tour with an emotional final performance in Birmingham last night.

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Farewell: The Girls Aloud Tangled Up tour wrapped in Birmingham last night

Hug it out: The group share a moment as the performance comes to an end