Top YouTube stars in April: PewDiePie, Katy Perry and more
http://www.theguardian.com/technolog...y-perry-stampy

#1 female
#1 musician

Watch "Birthday" on YouTube:


http://www.youtube.com/watch?v=jqYxyd1iSNk

International Smile

Not the lyrics video

"International Smile" singer

Wait! Katy is the one who recorded Unconditionally?

She's the Queen of everything

Album sales
Single sales
Tour Sales
On Demand songs
YouTube Queen
Streaming Queen

Queen of the internet

Youtube sensation

Killing the game

Thinking of You hitmaker's videography getting its well-deserved success

Only the Queen, Katynizing all the titles and records.

Queen of Billboard, Twitter, iTunes and now YouTube! What companies will the "International Smile" star take over next?

Ur So Gay hitmaker better slay

Queen of Youtube, iTunes, Billboard and the Internet

Unconditionally hitmaker
the lyric video