Andy Samberg returned to where he made his career - namely Saturday Night Live - to close off this season of the long-running sketch comedy show. His musical group, The Lonely Island, consists of fellow SNL members and whatever celebrity happens to be walking by the set. Sure enough, Pharrell was ''happy'' - see what we did there? - to join the Lonely Island for an 'oul sing-song about hugs. 

Yes, hugs. Here's your new favourite song.