Beyonce Knowles is said to have got a wig collection worth $1 million. A source said that the superstar has tailor-made hair-pieces for every occasion. The insider tells In Touch magazine, "The majority of them are custom-made from real hair and she's probably got $1 million worth of stunning wigs. "It's part of the reason why she always looks so gorgeous," added the source. She has donated her old wigs to a charity which helps cancer victims. In other news, Beyonce has been slated for this year’s MTV Europe Music Awards. The event will take place in Liverpool on November 6.