1. Katy Perry, "Firework”

2. P!nk, "Raise Your Glass”

3. Rihanna featuring Drake, "What's My Name?”

4. The Black Eyed Peas, "The Time (Dirty Bit)"

This is the first single off the Black Eyed Peas' new album and borrows its chorus from "The Time of My Life" - the main theme to the film "Dirty Dancing," which was a huge hit over 20 years ago.

This is a typically unique track from the group, with a very technological and futuristic sound to it.

It's different to previous hits such as "I Got a Feeling."

5. Bruno Mars, "Grenade"

6. Rihanna, "Only Girl (In the World)”

7. Bruno Mars, "Just the Way You Are”

8. Ke$ha, "We R Who We R”

9. Nelly, "Just a Dream”

10. Trey Songz featuring Nicki Minaj, "Bottoms Up”