Britney Spears
Hit: Baby One More Time
Flop: Radar
Christina Aguilera
Hit: Beautiful
Flop: You Lost Me
P!nk
Hit: So What
Flop: True Love
Beyoncé
Hit: Crazy In Love
Flop: Pretty Hurts
Rihanna
Hit: We Found Love
Flop: Right Now
Katy Perry
Hit: Firework
Flop: Thinking of You
Lady Gaga
Hit: Poker Face
Flop: G.U.Y.
Adele
Hit: Rolling In The Deep
Flop: Rumour Has It?
Taylor Swift
Hit: You Belong With Me
Flop: The Story of Us
Miley Cyrus
Hit: Wrecking Ball
Flop: Adore You
Nelly Furtado
Hit: Promiscuous
Flop: Big Hoops
Fergie
Hit: Fergalicious
Flop: LA Love
Gwen Stefani
Hit: Hollaback Girl
Flop: Baby Don't Lie
Shakira
Hit: Hips Don't Lie
Flop: Empire
Kelly Clarkson
Hit: Since U Been Gone
Flop: People Like Us
Avril Lavigne
Hit: Complicated
Flop: Rock N Roll
Jennifer Lopez
Hit: Jenny From The Block
Flop: First Love
Ke$ha
Hit: Tik Tok
Flop: Crazy Kids
Nicki Minaj
Hit: Superbass
Flop: Pills & Potions
Iggy Azalea
Hit: Fancy
Flop: Bounce (?)
I wasn't sure about a lot of them.
