This is harder than it sounded!
Mika 'Grace Kelly'-Grace & Kelly! lol
Kanye West 'Golddigger'-Serena Trina & Jennifer
Jennifer Lopez 'Jenny from the block' Jenny & Oprah
Christina Aguilera/Pink/Mya/Lil' Kim/Missy Elliott 'Lady marmalade' -Christina, Kim & Mya
Grease 'Look at me, i'm Sandra Dee'-Sandra & Doris
Buddy Holly 'Peggy Sue' Peggy & Sue lol!
Been replying to this post since about 10 this morning!!!