After having the most requested song yesterday, Little Mix falls to #3 tonight. And we welcome Iggy Azalea to the countdown with "Fancy" Here's the rundown.

#8. Talk Dirty-Jason Derulo

#7. Fancy-Iggy Azalea

#6. Ain't It Fun-Paramore

#5. Not A Bad Thing-Justin Timberlake

#4. She Looks So Perfect-5 Seconds Of Summer

#3. Move-Little Mix

#2. Classic-MKTO

#1. #Selfie-The Chainsmokers