This new tour leg will begin in Nassau, New York on 9 November and end in Los Angeles, California on 21 December.
Additionally, the electronic pioneers have announced their biggest ever UK headline show at London's 02 Arena for 30 November.
“It’s an absolute dream to present this music live, so I hope you’ll come join me", the iconic producer said of the forthcoming concert.
The stars will take to the stage during the ceremony at London's O2 Arena on 20 February.
The show at London's O2 on 11 June celebrates the singer-songwriter's acclaimed debut album 'Let Love Rule' turning 30.
Sam Smith has announced details of his first ever UK and Europe arean tour for 2018. The dates start in Sheffield and conclude in Lisbon