12 years younger than Christina.

Madonna: 30 years younger.

12 years younger than Britney Spears

Lets see

Chris Martin(Coldplay) - 18 years younger
Bono(U2) - 35 years younger
Thom Yorke(Radiohead) - 26 years younger
Chester Bennington(Linkin Park) - 19 years younger
Mark Foster(Foster The People) - 11 years younger
Hailey Williams(Paramore) - 6 years younger
Amy Lee(Evanescence) - 13 years younger

Kelly Clarkson - 13 years younger
Beyonce - 13 years younger
Lana Del Rey - 9 years younger
Adele - 7 years younger

Kanye West - 18 years younger

5 years younger than Gaga

I don't have a favorite, but the closest in age to me is Britney. 1 year apart.

1 to 4 and 7 to 10, years younger.

10 years younger than Katy.

11 years younger than Gaga, 14 years younger than Nicki, 11 years younger than Lana, and 15 years younger than Adam.

10 younger than Beyonce

14 younger than Brit

I thought this was gonna say "partner" instead of "fave"
I was ready for all the sugar daddies to get exposedT

16 months