Holly Willoughby brought some festive glamour to proceedings as she filmed scenes for Text Santa on Thursday night, transforming into a sexy Mrs Claus.

The 'This Morning' host showed off her derrière in a stunning tight-fitting red frock, with white faux fur wrapped around her shoulders to keep her warm.

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Holly Willoughby showed off her derrière dressed as a sexy Mrs Claus

She was snapped with 'Text Santa' co-presenters Phillip Schofield and Christine Bleakley on London's Southbank, as McFly filmed a performance for the ITV charity appeal.

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Holly was joined by Christine Bleakley and Phillip Schofield on London's Southbank

It will air as part of a three-hour telethon airing tonight (Friday 20), which will also feature the cast of 'The Big Reunion' singing their Christmas single, as well as Cheryl Cole's 'Coronation Street' cameo.

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