The 16 year-old took to his Twitter page to discuss the eventful evening with his fans.
He wrote: 'That one was incredible. ATL [Atlanta] thank u. Everyone thank u. Tonight my dude Sean Kingston surprised me with Bow Wow and Soulja Boy.'
The U Smile singer added: 'Then I had to kill them and bring out Akon and Ludacris - ATL we killed em tonight!! That is how you end a tour!! Felt incredible. So grateful and still can't believe it.'
MonsterAndCritics