Katy Perry: 5
Hot n' Cold (5,486,000 sold)
California Gurls (5,600,000 sold)
Firework (6,500,000 sold)
E.T. (5,700,000 sold)
Roar (5,100,000 sold)
Lady Gaga: 3
Just Dance (6,860,000 sold)
Poker Face (7,000,000 sold)
Bad Romance (5,400,000 sold)
Taylor Swift: 2
Love Story (5,673,000 sold)
I Knew You Were Trouble (5,000,000 sold)
Nicki Minaj: 2
Super Bass (4,000,000 sold)
Starships (5,000,000 sold)
Rihanna: 2
Love the Way You Lie (6,000,000 sold)
We Found Love (5,000,000 sold)
Kesha: 2
Right Round (5,000,000 sold)
Tik Tok (6,620,000 sold)
Miley Cyrus: 1
Party in the USA (5,416,000 sold)
Christina Aguilera: 1
Moves Like Jagger (6,347,000 sold)
Beyonce: 1
Single Ladies (5,000,000 sold)
Carly Rae Jepsen:
Call Me Maybe (7,223,000 copies sold)
Janelle Monae: 1
We Are Young (6.9 million)
Lauren Bennett: 1
Party Rock Anthem (7.8 million)
post anyone I forgot