"Pink Pony Club" is a song by the American singer and songwriter Chappell Roan. It was released through Atlantic Records on April 3, 2020, and later included on her debut album The Rise and Fall of a Midwest Princess. From Wikipedia
The duo, disguised as 'Frat Poison,' debuted Sheeran's Persian-inspired single 'Azizam' and covered 'Pink Pony Club' for a surprised crowd.