Lady Gaga's new single is about how her mother used to cut her hair while she was sleeping.

The singer was inspired to write the track 'Hair' by how her parents tried to change her look after she dressed up to go out, and how important your haircut is as part of your personality.

She told UK radio station KISS: "When I was young my mom and dad used to ask me to not leave the house dressed a certain way and asked me to change my hair.

"My mom would even cut my hair when I was asleep because I had really long split hairs, because I liked it really long like a hippy.

'Your hair is your glory and my hair represents my identity as it does represent the identity for many people.'