Gavin & Stacey star lets his hair down at Brits after-party

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Mathew Horne partied with new girlfriend Sabilla Findlay after the Brits on Wednesday.

The pair have been secretly dating for 6 months. 

Gavin & Stacey star Mat, 30, and celebrity PA Sabilla – who works for actress Miranda Richardson – had fun together at the Sony Brits after-party at London’s Jalouse nightclub. 

‘They felt it was time to go public with their love,’ a source tells The Sun. 

SEE PICTURES All the stars at the Brit Awards 2009>>