Justin Timberlake smiles on stage at Wembley stadium for Capital's Summertime Ball. This image appears in the gallery:Justin Timberlake At The Summertime Ball 2013 - Pictures 3. Justin Timberlake smiles on stage at Wembley stadium for Capital's Summertime Ball. 11 images See the full gallery: Justin Timberlake At The Summertime Ball 2013 - Pictures