The 10 Most Controversial Musical Friendships

10. Freddie Mercury and Barbara Valentin

9. John Lennon, Harry Nilsson, Alice Cooper, Micky Dolenz, and Anne Murray

8. Michael Jackson and Steven Tyler

7. Katy Perry and Rihanna

6. Ludacris, Prince, and Dave Chapelle

5. Chuck Berry and Bo Diddley

4. Teddy Pendergrass, Meat Loaf, and Debbie Harry

3. Marc Bolan and Elton John

2. Lil Wayne and Travis Barker

1. Ed Sheeran and Taylor Swift