[Starstruck.]

Skyscraper

[Signs]

Irreplaceable: 6 million sold in US with master-tones and 2nd most successful song on radio of all time
Crazy In Love: Iconic. 8 weeks at #1.
Single Ladies: Most viewed video by female artist and so viral. 6 million sold in US including master-tones.

[rivers]

Kelly Clarkson : Since U Been Gone/Stronger

[psychodj]

Nicki Minaj: Super Bass/Starships

[Disturbia]

Beyonce: 'Irreplaceable' or 'Single Ladies (Put A Ring On It)'
Britney Spears: '...Baby One More Time'

[Hunter_13]

Love Story.

[thatsmydemi]

Demi: Give Your Heart A Break
Katy: Firework
Ellie: Lights

[SMGOwnsTheNight]

Selena Gomez - Love You Like a Love Song

Miley Cyrus - Party in the USA

[EnoughSaid]

Rihanna : We Found Love / Umbrella / Only Girl / Don't Stop the Music, what a queen.

I honestly don't know what Aaliyah's most successful song is, but she was flawless.

[emmanuel_punk]

Complicated

[NeverSincerely]

Eminem : Lose Yourself

[Kamil24]

Call Me Maybe

[CaptainMusic]

Originally posted by NEUTRON

Gaga: Bad Romance
Britney: 3
Nicki Minaj: Monster (feature)/Starships (song)
Beyonce: Single Ladies
Rihanna: Umbrella

NOT 3.

[Stitches.]

Britney Spears - ...Baby one More Time / Oops...! I Did it Again / Toxic
Green Day - Boulevard of Broken Dreams
Nelly Furtado - I'm Like a Bird / Say it Right / Promiscuous
Katy Perry - I Kissed a Girl / Hot N Cold / California Gurls / Firework
Ke$ha - Tik Tok
Lana Del Rey - Video Games
Big Time Rush - Boyfriend

[Early_Mornin]

Baby one more time

[Tylerbv]

Carrie - Before He Cheats

[Tylerbv]

Originally posted by Kworb

Tiziano Ferro: Sere Nere
Utada Hikaru: Can You Keep A Secret?
Darren Hayes: Truly Madly Deeply (as Savage Garden)
Ayumi Hamasaki: M

Darren Hayes was in Savage Garden? I never knew he went solo

[NEZ]

umbrella + we found love

[T.C]

Janet - Together Again
Whitney - I will Always Love You
Tina - What's Love Got To Do With It
Shania - That Don't Impress Me Much

[Honey]

Mariah Carey - Without You