Taylor Swift:
-We Are Never Ever Getting Back Together: 3 wks
-Shake it Out: 1 wk
Total: 4 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Britney Spears:
-Baby One More Time: 2 wks
-Womanizer: 1 wk
-3: 1 wk
-Hold It Against Me: 1 wk
Total: 5 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Iggy Azalea:
-Fancy: 7 wks
Total: 7 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Carly Rae Jepson
-Call Me Maybe: 9 wks
Total: 9 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Lorde:
-Royals: 9 wks
Total: 9 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Kesha:
-Tik Tok: 9 wks
-We R Who We Are: 1 wk
Total: 10 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Lady Gaga:
-Born This Way: 6 wks
-Just Dance: 3 wks
-Poker Face: 1 wk
Total: 10 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Adele:
-Rolling in the Deep: 7 wks
-Someone Like You: 5 wks
-Set Fire to the Rain: 2 wks
Total: 14 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Christina Aguilera:
-Genie in a Bottle: 5 wks
-Lady Marmalade: 5 wks
-Come On Over Baby: 4 wks
-What a Girl Wants: 2 wks
Total: 16 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Katy Perry:
-I Kissed a GIrl: 7 wks
-California Gurls: 6 wks
-E.T.: 5 wks
-Dark Horse: 4 wks
-Fire Work: 4 wks
-Roar: 2 wks
-Teenage Dream: 2wks
-Last Friday Night: 2 wks
-Part of Me: 1 wk
Total: 33 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Rihanna:
-We Found Love: 10 wks
-Umbrella: 7 wks
-Rude Boy: 5 wks
-S.O.S.: 3 wks
-Diamonds: 3 wks
-Disturbia: 2 wks
-Only Girl: 1 wk
-Take a Bow: 1 wk
-S&M: 1 wk
-What's My Name?: 1 wk
Total: 34 weeks
- - - - - - - - - - - - - - - - - - - - - - - -
Beyoncé:
-Independent Women: 11 wks
-Irreplaceable: 10 wks
-Baby Boy: 9 wks
-Crazy In Love: 8 wks
-Check On It: 5 wks
-Single Ladies: 4 wks
-Say My Name: 3 wks
-Bootylicious: 2 wks
-Bills, Bills, Bills: 1 wk
Total: 53 weeks
I was gonna do more, but I got tired of researching. Help a brethren out.
And the longest lasting #1 by a female this decade 
