I finally rated her discography.
All of them deserve at least a 4 but this is on a scale of 0-10 with 0 being her worst ever (hihi usg and fw ) and 10 her best.
One of the Boys - 6
I Kissed a Girl - 7
Waking up in Vegas - 9
Thinking of You - 9
Mannequin - 6
Ur So Gay - 0
Hot N Cold - 8
If You Can Afford Me - 8
Lost - 10
Self Inflicted - 5
I’m Still Breathing - 10
Fingerprints - 4
I Think I'm Ready - 4
A Cup of Coffee - 5
Teenage Dream - 10
Last Friday Night (T.G.I.F.) - 4
California Gurls ft. Snoop Dogg - 6
Firework - 0
Peacock - 6
Circle The Drain - 10
The One That Got Away - 7
E.T. - 10
Who Am I Living For? - 10
Pearl - 2
Hummingbird Heartbeat - 10
Not Like The Movies - 9
Part Of Me - 2
Wide Awake - 10
Dressin' Up - 9
Roar - 8
Legendary Lovers - 10
Birthday - 10
Walking on Air - 10
Unconditionally - 7
Dark Horse feat. Juicy J - 10
This Is How We Do - 4
International Smile - 4
Ghost - 4
Love Me - 7
This Moment - 7
Double Rainbow - 9
By The Grace of God - 3
Spiritual - 10
It Takes Two - 8
Choose Your Battles - 10
Oh my yasss!!! Purple hair is BACK!!!! Her hair is short 'cause her real hair hasn't been long since forever, it was all extensions. I guess all the coloring damaged it a bit But PURPLE!!!!
Ah, by the way, Brazilian Cats will be able to watch the SB on movie theaters. Katy snatching on the big screen will be huge
) and 10 her best. 
But PURPLE!!!! 
