Olivia Newton John

She had the entire audience singing along.

It's one of her most enduring songs.

Urban and his wife, Nicole Kidman, offered a touching memorial statement for Newton-John in the wake of her death.

She was one of the biggest multi-genre stars of her generation.

The Hollywood Walk of Fame features everyone from actors to radio personalities, and there are plenty of Nashville names enshrined there.

There are many -- too many -- country stars who have had cancer or have been personally affected by it in some way.

Olivia Newton-John will postpone her June U.S. and Canadian concert dates, due to her latest battle with breast cancer.

It took me a while, but I found it. The dumbest Christmas song ever. I mean E-V-E-R!