Olivia Newton-John was touched Jane Lynch named her dog after her.

The 'Grease' actress guest starred as herself on musical drama 'Glee' in 2010, much to the delight of Jane - who plays no-nonsense cheerleading coach Sue Sylvester on the show - and was flattered to discover the 52-year-old actress gave her pet pooch her moniker as a tribute to her.

Olivia Newton-John's sister Rona Newton-John has died.

The 64-year-old actress' older sibling passed away on May 24 in Los Angeles surrounded by her family and friends after losing her battle with the disease.

Olivia Newton-John has put her hurricane-proof mansion on the market for $6.2 million.

The 64-year-old actress - who purchased the house with her husband John Easterling in 2009 - is set to make a profit on the waterfront pad, which is located in Jupiter Island, Florida after splashing out over $2 million on renovations.

Olivia Newton-John has postponed her residency in Las Vegas because her sister has cancer.

The 64-year-old Australian singer and actress opted to cancel her upcoming series of concerts at the Flamingo Casino, which were due to kickoff at the start of the summer, in order to spend time supporting her older sister Rona Newton-John, who was recently diagnosed with a brain tumour.