Watch Tegan and Sara’s Tonight Show Performance of “I Can’t Grow Up”

The Canadian music duo Tegan and Sara rocked The Tonight Show starring Jimmy Fallon on Thursday night, performing the song “I Can’t Grow Up” from their latest studio album, titled Crybaby. The twin sisters are now officially on their first tour in three years, which kicked off on Wednesday and will make several North American stops. They are also celebrating the launch of their television series based on their 2019 memoir, High School, which can be streamed on Amazon Freevee now.