Justin Timberlake Performs at the iTunes Music Festival 2013

Justin Timberlake hits the stage to perform his set during the 2013 iTunes Music Festival held at the Roundhouse on Sunday (September 29) in London, England.

“Warming up…Countdown till show time. #iTunesFestival #The2020Experience #2of2 #London,” the 32-year-old entertainer tweeted during rehearsal earlier in the day.

PHOTOS: Check out the latest pics of Justin Timberlake

A few days earlier, Justin showed some love for the Memphis Grizzlies basketball team while arriving for his departing flight at LAX Airport in Los Angeles.

15+ pictures inside of Justin Timberlake performing in London…