Round 1:
The one-hit wonder girl gets her first #1 on the Hot 100.




Round 2:
Thinking she would fade, she shut the haters up and spent 6 weeks at the top.




Round 3:
Proving her stay in the pop music world, she gave us another summer jam.




Round 4:
What is now one of her signature hits, it has also become her best-selling single to date (6.3 million copies).




Round 5:
Perry lands her 5th #1 and shows us how to fall in love with someone out of the ordinary.




Round 6:
The historic 5th #1 from Teenage Dream (6th overall in her carer) solidified her name in pop history.




Round 7:
Her first #1 debut, due to a fiery performance at the 2012 Grammys, earned Perry her 7th #1 hit in just under 4 years.




Round 8:
Back with a vengeance and a new attitude, she's once again proving why she's a champion.

Katy will be #1 this week. bookmark me