Video: Selena Gomez sings Lady Gaga & talks Katy Perry

Selena Gomez sang Lady Gaga songs and chatted about her favourite singers as she was having her make-up done.

The 18-year-old pop singer spoke about Gaga and Katy Perry.

While she was talking about Katy, Selena mentioned the song that Katy wrote for her second album A Year Without Rain.

The track is called Rock God.

Check out the video of Selena below.