The #1 R&B song on April 27, 2011

Look at Me Now By Chris Brown featuring Lil Wayne & Busta Rhymes

Other #1 songs on April 27, 2011

#1 Hit Song

S&M
Rihanna featuring Britney Spears

UK #1 Song

Party Rock Anthem
LMFAO featuring Lauren Bennett and GoonRock

#1 Country Song

This
Darius Rucker

#1 Alternative Hit

Rope
Foo Fighters

#1 Dance Track

Good Girl
Alexis Jordan