Rap star gets into a scuffle with a photographer
Rapper makes appearance at his label showcase
Listen to 'Love Lockdown' on NME.COM now
Rihanna, Pink and Ting Tings also perform
Singer swore last year he'd never return
Rapper will hit the road in November
Rap star paves the way for Fatburger in Chicago and LA
75,000 fans attend last day of Chicago bash
Rapper-producer speaks out on blog