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03/07/2013 16:54 BST | Updated 04/07/2013 09:26 BST

'X Factor': Nicole Scherzinger Moves On From Lewis Hamilton Split As She Celebrates Birthday At Cardiff Auditions (PICS)

Despite her love split, Nicole Scherzinger was all smiles as she celebrated her birthday at the 'X Factor' auditions in Cardiff on Wednesday.

It has just been revealed that Nicole and her Formula One ace boyfriend Lewis Hamilton recently ended their five year romance, after finding it increasingly difficult to spend time together.

nicole scherzinger

But she put on her a schermazing brave face at the final set of 'judges room' auditions in the Welsh capital, getting to grips with a cake made of her favourite balls.

nicole scherzinger

The former Pussycat Doll turned 35 on 29 June, and was presented with the chocolate treats by the 'X Factor' crew.

As she arrived at the Mercure Holland House Hotel she wowed the waiting crowds in a red HUGO trouser suit and white crop top, which bared her toned tummy.

X Factor auditions

She was joined by fellow judges Sharon Osbourne, Gary Barlow and Louis Walsh, and hosts Dermot O'Leary, Caroline Flack and Matt Richardson.

Tryouts for the tenth series are set to continue with the 'arena auditions' round later this month, as part of the new 'double auditions' process.

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X Factor auditions