Ke$ha

1. Supernatural
2. Out Alive
3. All That Matters
4. Warrior
5. Crazy Kids
6. C'mon
7. Die Young
8. Cannibal
9. Take It Off
10. Blow

1. Bad Romance 2. Paparazzi Applause Telephone Alejandro Just Dance Born This way Scheisse TEOG Poker Face

Deja Vu
Suga Mama
Ego
'03 Bonnie & Clyde
Start Over
Irreplaceable
Fighting Temptations
1+1
World Wide Woman
Scared Of Lonely
Crazy In Love
Sweet Dreams

The list changes per day because almost every song of her is in my top

(In no particular order)

Maybe
Behind These Hazel Eyes
Because Of You
Sober
Catch My Breath
Never Again
Since You Been Gone
My Life Would Suck Without You
Already Gone
Cry

1. High School
2. Champion
3. Here I Am
4. Up In Flames
5. Encore '07
6. Autobiography
7. Hood Story
8. Playtime Is Over
9. Moment 4 Life
10. Sunshine

No particular order.

Lady Gaga

1. Applause
2. Judas
3. Monster
4. Bad Romance
5. Poker Face
6. Just Dance
7. Dance In The Dark
8. Disco Heaven
9. Retro Dance Freak
10. Marry The Night

Nicki Minaj

1. Va Va Voom
2. Whip It
3. Pound The Alarm
4. Automatic
5. Turn Me On
6. Beautiful Sinner
7. Starships
8. Superbass
9. Roman Holiday
10. Stupid Hoe

Britney Spears

1. Hold It Against Me
2. Work Bitch
3. I Wanna Go
4. Till The World Ends
5. Seal It With A Kiss
6. Trip To Your Heart
7. Get Back
8. Heaven On Earth
9. Break The Ice
10. Everybody

Gaga

1. Judas
2. Applause
3. Government Hooker
4. Heavy Metal Lover
5. Bad Romance
6. The Edge of Glory
7. Scheiße
8. Alejandro
9. Dance In the Dark
10. Paparazzi

1-4 are all really close

1.Toxic
2. Slave 4 U
3. Gimme More
4. TTWE
5. Work B!tch
6. Womanizer
7. Overprotected
8. And The We Kiss
9. Showdown
10. HIAM

Britney Spears:

1. I'm A Slave 4 U
2. Shadow
3. Gimme More
4. Toxic
5. Lonely
6. I Wanna Go
7. Why Should I Be Sad
8. Breathe On Me
9. Outrageous
10. Phonography

Mariah

1. The Roof
2. We Belong Together
3. Breakdown
4. Melt Away
5. Side Effects
6. Honey
7. Dreamlover
8. Vanishing
9. Fantasy
10. Vision of Love

Rihanna
1. We Found Love
2. Diamonds
3. Farewell
4. Phresh Out The Runway
5. Only Girl
6. S&M
7. What's My Name?
8. Man Down
9. Where Have You Been
10. Love The Way You Lie

Nicki (not gonna do all dem features )
1. Superbass
2. Starships
3. Did It On Em
4. Pound The Alarm
5. Roman's Revenge
6. Playtime Is Over
7. Moment 4 Life
8. Itty Bitty Piggy
9. Dead Wrong
10. Click Clack

In no particular order.
That was so hard Both my faves have released SO much material

[center] Ke$ha:

1. Crazy Kids
2. Supernatural
3. Woohoo
4. 31 Seconds Alone
5. Blind
6. Dirty Love
7. Warrior
8. Last Goodbye
9. Die Young
10. Blow

Lady Gaga

1. Alejandro
2. Sex Dreams
3. Bad Romance
4. Monster
5. Dance in The Dark
6. Poker Face
7. Bloody Marry
8. Applause
9. Swine
10. ARTPOP

Prince:
1. Adore
2. Space
3. Love 2 The 9's
4. Darling Nikki
5. Gett Off
6. The Holy River
7. The Beautiful Ones
8. When Doves Cry
9. Sexy M.F.
10. Lady Cab Driver

Ke$ha

1. Crazy Kids
2. Warrior
3. Last Goodbye
4. Supernatural
5. Thinking of You
6. Die Young
7. We R Who We R
8. Cannibal
9. Gold Trans Am
10. Crazy Beautiful Life
11. Love Into the Light
12. Take It Off

I had to do 12. Can't pick just 10

1. I Wanna Be With You