The celebrity with hair trouble (despite not having an actual name yet) is a minor character in Shaun the Sheep: Movie.
Bio[]
He's first seen sitting on a table next to the flock, he gets his photo taken outside, the flock act like humans and they copy what the Celebrity does. The celebrity then goes to the hairdressers to get a haircut. The Farmer comes in and cuts his hair like how he would with the sheep, in the end he liked the hair and it became popular and the Farmer was renamed Mr. X an icon in the Big City