Adam Lambert performed "Mad World" alongside his former "Glee" co-star, Demi Lovato at the 2021 Global Citizen Live Event.
Lambert is no stranger to the event having previously performed with Queen back in 2019.
Adam Lambert performed "Mad World" alongside his former "Glee" co-star, Demi Lovato at the 2021 Global Citizen Live Event.
Lambert is no stranger to the event having previously performed with Queen back in 2019.