DJ Arch Jnr. is a DJ who won South Africa's Got Talent at the age of three, obtaining a Golden Buzzer. He travelled the world since his win, with his father Glenn. He competed on America's Got Talent: The Champions representing South Africa's Got Talent and competed on the World's Got Talent special held in China, where he was again eliminated in the Preliminaries after being knocked out by aerialist and Russia's Got Talent contestant Tina Mamonova. He also represented South Africa's Got Talent on Britain's Got Talent: The Champions (Series 1) at the age of seven. He reached the top three in the super fan vote to progress further, yet he placed third so he did not.
In his performance, he performed to a medley of music including 'Summer' by Calvin Harris, 'Boom Boom Boom' by The Outhere Brothers, 'Gonna Make You Sweat' by C+C Music Factory, 'Apache (Jump On It)' by The Sugarhill Gang, 'Good Feeling' by Flo Rida, and 'Give Me Your Love' by Sigala. Amanda believed his music choices and Arch himself to be 'Fantastic' and described the set as 'Amazing', with David describing the performance as 'Quite fun'.