Olivia Newton-John, the legendary singer and actress known for her hit “Let Me Be There,” made a memorable debut on The Tonight Show in the 1970s. Fresh off her Grammy win, Olivia wowed the audience with her heartfelt performance of “If You Love Me (Let Me Know)” and followed up with a powerful rendition of “I Honestly Love You.” Her charisma and genuine emotion captivated everyone, making her appearance a standout moment.