- Grease the Musical London cast dedicates show's run to Olivia Newton-John
- Beyoncé sent Madonna flowers for their 'Break My Soul' remix: 'You have opened so many doors'
- Mariah Carey looks back on performing with Olivia Newton-John: 'We sang our hearts out'
- Simon Cowell expresses grief over death of America's Got Talent star Nolan Neal: 'It's horrible'
- Lady Gaga dedicates D.C. Chromatica tour set to abortion rights: 'We will not stop until it's right'