Nicki Minaj & Ke$ha
Had the following members...
2
Ke$ha
Nicki Minaj
Other Tracks Associated with This Artist
1
'til The World Ends
-
Britney Spears
(featuring
Nicki Minaj & Ke$ha
)
'til The World Ends 
- Britney Spears
(featuring Nicki Minaj & Ke$ha)
'til The World Ends - Britney Spears
(featuring Nicki Minaj & Ke$ha)