The British PM posted a picture last night, supposedly of himself talking to Barack Obama about the turmoil in Ukraine.
David Cameron looks so stage-serious in the pic, that it didn't take long for a gallery of celebs to start taking the mick.
Here's the pic:
Patrick Stewart called on his wealth of theatrical experience to chime in withmost serious face, with a tube of wet wipes for a prop:
US comedian Rob Delaney out-mocks the mockers with his 'we're on the brink' face, and a very serious tube of toothpaste.
Writer Michael Moreno patched in via his dog phone...
And here's a gallery.:
This. This is why I love you Twitter pic.twitter.com/UP42tYOjiZ— Neville (@1FightingIrish) March 6, 2014
Many, many others had a poke:
.@David_Cameron I think your account has been hacked. This couldn't be a genuine tweet by a man with PR experience.— lloydwoolf (@LloydWoolf) March 5, 2014