The #1 R&B song on May 31, 2015

See You Again By Wiz Khalifa featuring Charlie Puth

Other #1 songs on May 31, 2015

#1 Hit Song

Bad Blood
Taylor Swift featuring Kendrick Lamar

UK #1 Song

Want to Want Me
Jason Derulo

#1 Country Song

Girl Crush
Little Big Town

#1 Alternative Hit

Dead Inside
Muse

#1 Dance Track

The Giver (Reprise)
Duke Dumont