BILLBOARD'S 10 HOTTEST SONGS - WEEK OF MARCH 08, 2014

Yes, we have a new no.1 song! Pharrell Williams could not be happier because his song "Happy" is now the number one song on the Billboard chart. In January, "Happy" began to top UK music charts.

Katy Perry's "Dark Horse," featuring Juicy J is down at second spot.

Biggest gainer this week, entering the Top 10 is "All Of Me" by John Legend at no.4. "Pompeii" by Bastille and "Team" by Lorde also gained few notches.

Here are this week's most popular current songs across all genres, ranked by radio airplay audience impressions and streaming activity data from online music sources. Songs are defined as current if they are newly-released titles, or songs receiving widespread airplay and/or sales activity for the first time.

Top 10 songs for the week of March 08, 2014

01 Happy - Pharrell Williams
02 Dark Horse - Katy Perry Featuring Juicy J
03 Talk Dirty - Jason Derulo Featuring 2 Chainz
04 All Of Me - John Legend
05 Drunk in Love - Beyonce Featuring Jay Z
06 Pompeii - Bastille
07 Team - Lorde
08 Say Something - A Great Big World & Christina Aguilera
09 Counting Stars - One Republic
10 Timber - Pitbull feat. Ke$ha