The #1 R&B song on March 31, 2014

Happy By Pharrell Williams

Other #1 songs on March 31, 2014

#1 Hit Song

Happy
Pharrell Williams

UK #1 Song

She Looks So Perfect
5 Seconds of Summer

#1 Country Song

This Is How We Roll
Florida Georgia Line featuring Luke Bryan

#1 Alternative Hit

Do I Wanna Know?
Arctic Monkeys

#1 Dance Track

Can't Remember to Forget You
Shakira featuring Rihanna