Olivia Newton-John's daughter Chloe Lattanzi holds 'dinner for mama' to mark her 74th birthday

John Travolta shares tribute to Olivia Newton-John on what would have been her 74th birthday

Olivia Newton-John's husband John Easterling marks singer's first birthday since her death

Chloe Grace Moretz Still Struggles With Her Body Getting Mocked In ‘Family Guy’ Meme