BILLBOARD'S 10 HOTTEST SONGS - WEEK OF APRIL 05, 2014

For the fifth week, Pharrell Williams' "Happy" reigns as the most popular song, while John Legend's "All of Me" rises to no.2.

Idina Menzel's "Let It Go" returns to the top 10, freezes at no.5.

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 April 05, 2014

01 Happy - Pharrell Williams
02 All Of Me - John Legend
03 Dark Horse - Katy Perry Featuring Juicy J
04 Talk Dirty - Jason Derulo Featuring 2 Chainz
05 Let It Go - Idina Menzel
06 Pompeii - Bastille
07 Team - Lorde
08 Counting Stars - One Republic
09 The Man - Aloe Blacc
10 Drunk in Love - Beyonce Featuring Jay Z