Read on to learn more about 5 Hair Metal Songs Featuring Big-Name Guest Performers.

i - Christina Aguilera joined Sabrina as a special guest during her surprise song section on 15 November in LA. To date, Sabrina has performed ABBA's 'Mamma Mia' the most. As for the least ...

Ed Sheeran surprised commuters and fans with an impromptu performance outside London’s King’s Cross station. Dressed in a ...