Justin Timberlake Sings Happy Birthday to Autistic Boy - Watch Now!

Justin Timberlake is dapper while performing during day 1 of the V Festival held at Hylands Park on Saturday (August 16) in Chelmsford, England.

The 33-year-old entertainer was joined at the festival by Janelle Monae and Lily Allen.

PHOTOS: Check out the latest pics of Justin Timberlake

Earlier in the week, Justin sported eyeglasses while jetting out of LAX Airport after his Staples Center concert.

Check out a touching video below of Justin singing “Happy Birthday” to a boy with autism named Julian during his 20/20 Experience concert in San Jose, Calif.

30+ pictures inside of Justin Timberlake performing at the V Festival…