2014 Billboard Hot 100

Here is Billboard's biggest songs of 2014...

1. Happy - Pharrell Williams
2. Dark Horse - Katy Perry feat Juicy J
3. All Of Me - John Legend
4. Fancy - Iggy Azalea feat Charli XCX
5. Counting Stars - One Republic
6. Talk Dirty - Jason Derulo feat 2 Chainz
7. Rude - MAGIC!
8. All About That Bass - Meghan Trainor
9. Problem - Ariana Grande feat Iggy Azalea
10. Stay With Me - Sam Smith

For complete list go to Billboard site.