UK/USA: Single
01. Till The World Ends
02. Till The World Ends (Instrumental)
UK: Promo
1. Till The World Ends (Olli Collins & Fred Portelli Remix)
2. Till The World Ends (Gareth Wyn Remix)
3. Till The World Ends (Billionaire Remix Radio Edit)
4. Till The World Ends (Billionaire Remix)
USA: Promo
1. Till The World Ends
Ranska: Single
01. Till The World Ends
02. Till The World Ends (The Femme Fatale Remix ft. Ke$ha & Nicki Minaj)
