The #1 song in the UK on April 18, 2010

OMG By Usher featuring will.i.am

Other #1 songs on April 18, 2010

#1 Hit Song

Rude Boy
Rihanna

#1 R&B Song

Everything to Me
Monica

#1 Country Song

American Honey
Lady Antebellum

#1 Alternative Hit

Between the Lines
Stone Temple Pilots

#1 Dance Track

Heartbreak on Vinyl
Blake Lewis