The two stars take a surprise trip back to their 2014 collaboration.
All proceeds will benefit Chance the Rapper’s SocialWorks arts empowerment charity.
The surprise performance came during the Obama Foundation Summit’s closing ceremony.
Chance the Rocker’s collaboration with Francis and the Lights’ “May I Have This Dance?”, cracks the top 50.
The Las Vegas festival featured performances from Gorillaz, Lorde, Chance the Rapper, and more.
Pearl Jam, Red Hot Chili Peppers, The Killers, Chance the Rapper, LCD Soundsystem, Lana Del Rey, David Byrne, and many more.