Watch first look at Gavin and Stacey finale after Nessa makes incredible Strictly cameo

STRICTLY Come Dancing had a world exclusive “early Christmas present” for viewers, as it premiered the first look at Gavin and Stacey.

Gavin and Stacey is set to air on BBC One on Christmas Day, but BBC viewers were treated to a first look at the upcoming special in the Strictly Come Dancing finale.

BBCNessa made a cameo on Strictly before the sneak peek of the Gavin and Stacey special aired[/caption] Strictly viewers were treated to a first look at the Gavin and Stacey Christmas...