Rihanna:
Bruno Mars - island perfection
Nicole Scherzinger - ****ty R&B banger (I still remember that Winning Women mess tho)
OneRepublic - anthemic power ballad
P!nk:
Adele - simillar concept to Rumour Has It
Fergie - empowerment song with a rap verse from the dutchess
Ed Sheeran - happy, relaxing mid-tempo