1:

1: The Rolling Stones are the most expensive wedding act in the world according to new research from Living TV. The rockers, who only consider private performances if they're already on tour - charge about $8 million. REUTERS/Stringer

2:

2: Elton John is the second most expensive, charging over $2 million for private performances. REUTERS/Darren Staples

2:

2: Kylie Minogue also charges over $2 million. REUTERS/Ints Kalnins

4:

4: Christina Aguilera charges up to $2 million. REUTERS/Todd Korol

5:

5: George Michael charges almost $2 million. REUTERS/Mario Anzuoni

6:

6: Amy Winehouse charges about $1.5 million. REUTERS/Alessia Pierdomenico

6:

6: As does Paul McCartney. REUTERS/Mike Segar

6:

6: And Leona Lewis. REUTERS/Alessia Pierdomenico

6:

6: And also Jennifer Lopez. REUTERS/Lucas Jackson

10:

10: Barry Manilow charges about a $1 million. REUTERS/Mario Anzuoni

11:

11: Rod Stewart charges just under a $1 million. REUTERS/Francisco Bonilla

12: And Duran Duran charges just a bit less tha12:n that. REUTERS/Stephen Hird