George Clooney takes Downton Abbey selfie

You'll be able to watch him in full swing as he makes a guest appearance in Downton Abbey in a Text Santa special later tonight.

But George Clooney still found time to take this selfie with the cast of the hit ITV show.

The heartthrob will star as Lord Hollywood in the one-off special who visits the Crawleys' home as an American wedding guest.

After Lady Grantham initially mistakes him for her husband, he goes on to plant a kiss on the Dowager Countess, played by Dame Maggie Smith, who swoons during their encounter.

And we can reveal Joanna Lumley will also make a star appearance in the sketch screened on ITV from 8pm tonight.

See a sneak preview here: Exclusive: George Clooney in Downton