After a candid sit-down conversation with 2014 Women in Music honorees Taylor Swift, Jessie J, Charli XCX, Hayley Williams, Ariana Grande and Idina Menzel, Aretha Franklin — recipient of the Icon of the Year honor — stunned Swift with a surprise rendition of “Happy Birthday.”

Yes, with just hours to go before Swift turned 25, she has “Happy Birthday” sung to her by the Queen of Soul, Aretha Franklin. Watch her rendition below: