Apparently this is One Direction member Harry Styles lowering the shorts of an unsuspecting Piers Morgan at a charity football match. You might want to leave the sound off for this one.
On the subject of Morgan being on the receiving end of, dare I say, "banter" from another well-known personality, here he is getting a right going over during the most recent Ashes series.
See more Morgan gobshitery here, here, here and here.