Watch: GUNS N' ROSES Joined By CARRIE UNDERWOOD At London Concert

GUNS N' ROSES was joined by country-pop superstar Carrie Underwood on stage during the band's concert Friday night (July 1) at London, England's Tottenham Hotspur Stadium.
Underwood made a surprise appearance toward the end of GUNS N' ROSES' main set, performing "Sweet Child O' Mine" with Axl Rose a...