La revista Cosmopolitan ha hecho una lista de las mejores colaboraciones femeninas de todos los tiempos segun ellos, y Christina Aguilera ocupa los puestos 8 y 11:
1- Beyoncé e Shakira - "Beautiful Liar"
2- Eve e Gwen Stefani - "Let Me Blow Ya Mind"
3- Britney Spears e Madonna - "Me Against the Music"
4- Lady Gaga e Beyoncé - "Telephone"
5- Ciara e Missy Elliott - "One Two Step"
6- Nicki Minaj e Rihanna - "Fly"
7- Mariah Carey e Nicki Minaj - "Up Out My Face"
8- Christina Aguilera e Lil' Kim - "Can't Hold Us Down"
9- Brandy e Monica - "The Boy is Mine"
10- Janet e Michael Jackson - "Scream"
11- Pink, Christina Aguilera, Mya, Lil' Kim e Missy Elliott - "Lady Marmalade
1- Beyoncé e Shakira - "Beautiful Liar"
2- Eve e Gwen Stefani - "Let Me Blow Ya Mind"
3- Britney Spears e Madonna - "Me Against the Music"
4- Lady Gaga e Beyoncé - "Telephone"
5- Ciara e Missy Elliott - "One Two Step"
6- Nicki Minaj e Rihanna - "Fly"
7- Mariah Carey e Nicki Minaj - "Up Out My Face"
8- Christina Aguilera e Lil' Kim - "Can't Hold Us Down"
9- Brandy e Monica - "The Boy is Mine"
10- Janet e Michael Jackson - "Scream"
11- Pink, Christina Aguilera, Mya, Lil' Kim e Missy Elliott - "Lady Marmalade
