Olivia Newton-John to Make Surprise Appearance During 'Grease' Night on 'Dancing with the Stars'

Olivia Jade continues to improve on Dancing with the Stars!

Olivia Newton-John is mourning the loss of fellow Australian legend, Bert Newton, who passed away at the age of 83 on Saturday.MORE: Olivia Newton-John opens up about health amid cancer battleTaking to her Instagram page on Monday, the 73-year-old actress expressed her sorrow as she paid tribute to the TV icon – whom she knew from the start of her glittering career.WATCH: Olivia Newton-John gets real about her cancer diagnosis"Bert Newton was a kind, funny, quick-witted man whom I was lucky

Dumped? Over him? Talking Olivia Munn and John Mulaney! This and much more on our latest podcast! CLICK HERE to watch this episode of The Perez Hilton Podcast with Chris Booker!

Full of love! Natasha Bure gushed over her longtime friend Olivia Jade Giannulli competing on Dancing With the Stars following the college admissions scandal.

Olivia Jade is performing yet another incredible dance on Dancing with the Stars!

Jason Sudeikis was joined by so many surprise guests while hosting Saturday Night Live!

Olivia Newton-John, 73, spoke about her battle with breast cancer in a new interview with Hoda Kotb, 57, where both women spoke about their respective journeys with the disease on Wednesday October 20 on Today. Hoda was incredibly moved when the “Physical” singer took a second out of the interview to ask how she was doing, after the Today host revealed her own diagnosis in 2007.

“Physical” turned 40 this year — and it’s still as iconic as ever. The Australian singer, 73, looked back on the song’s legacy and revealed the lyrics may have been a bit too “raunchy” at the time of its release.

Olivia Newton-John is celebrating the most successful song of her career, "Physical," on the 40th anniversary of its release. It was her fifth No 1.

Olivia Newton-John and Hoda Kotb bonded over their breast cancer diagnoses during an emotional “Today” interview.

Olivia Newton-John is reflecting on her hit song, «Physical.»It's been 40 years since the single took over the airwaves. «Physical» was Newton-John's fifth No 1.

It was Night on Monday's — which proved to be exactly what the show needed to see the season's first perfect score.JoJo Siwa and Jenna Johnson hit the stage late in the episode, where they delivered a foxtrot set to «Look at Me, I'm Sandra Dee (Reprise)» from the 1978 classic musical.Siwa — portraying Frenchie — and Johnson, as Sandy, donned pink ensembles for the emotionally stunning routine, and their performance left the judges in awe.Judge Len Goodman actually stood to deliver his feedback,

Olivia Jade had her best moment yet on the latest episode of Dancing With the Stars!

“Grease” night on “Dancing With The Stars” started off with an appearance from the OG.

 returns Monday for the fifth week of season 30, and the show is paying tribute to an iconic musical! With a slew of excited celebs ready to show off their moves, ET is following along throughout the two-hour spectacular to break down all the best dances and the most surprising moments from ' celebration of the 1978 classic !As the contestants duke it out on the dance floor with their best retro 1950s-inspired routines, judges Carrie Ann Inaba, Len Goodman, Bruno Tonioli and Derek Hough will be

Olivia Newton-John will make a guest appearance on a 'Grease'-themed episode of 'Dancing With the Stars'. The 73-year-old actress is set to feature on Monday's (18.