The #1 song on August 27, 2011

Last Friday Night (T.G.I.F.) By Katy Perry

Other #1 songs on August 27, 2011

UK #1 Song

Don't Go
Wretch 32featuring Josh Kumra

#1 R&B Song

I'm On One
DJ Khaled featuring Drake, Rick Ross & Lil Wayne

#1 Country Song

Just a Kiss
Lady Antebellum

#1 Alternative Hit

The Adventures of Raindance Maggie
Red Hot Chili Peppers

#1 Dance Track

I Wanna Go
Britney Spears