Jason Donovan says he's yet to speak with Kylie Minogue about their reunion and duet for next month's nostalgic Stock, Aitken and Waterman Hit Factory concert in London.
Donovan who is in Australia filming Network Ten's reality talent search I Will Survive, says he will start thinking about his appearance at Hit Factory when he lands back in the UK late next week.
The 44-year-old and Minogue are among the headline acts for the Hyde Park concert of artists who had hits under Mike Stock, Matt Aitken and Peter Waterman.
The trio wrote and produced Donovan and Minogue's 1988 pop hit Especially For You, which reached number one in the UK and several other European countries and was number two in Australia.
Also appearing at the July 11 concert are Rick Astley, Bananarama and Dead or Alive.
Donovan says it should only take a couple of hours of rehearsals with Minogue in London to nail the song, which will be the first time they have performed it live for almost 25 years.
"No (I haven't spoken to her), at all," Donovan tells AAP.
"Once I get back to the UK next week I will sink myself into all that but I haven't got my head around it just yet.
"We'll have a rehearsal and we'll just do it."
At the time the song appeared on the UK charts Donovan and Minogue were in the process of carving out music careers in the UK, following on from their popularity on the Aussie soapie Neighbours.
Their TV wedding on Neighbours was watched by an estimated 20 million viewers giving them an instant fan base to draw on.
"It was a song for a lot of people and it means a lot things - and it certainly changed my life," Donovan says.
"The day is going to be special and it's not because of Especially For You, it's about Stock, Aitken and Waterman who were incredible producers.
"It's a celebration of their music and it's obviously punctuated with the fact Kylie and I are going to do a duet after many, many years."
Donovan says he was privileged to be a part of the stable of artists Stock, Aitken and Waterman hoisted to fame.
The Australian singer/actor says he still receives royalty cheques for performing the song but says he would be a lot richer if he had the talents of Stock, Aitken and Waterman.
"I don't do too badly out of it, but I didn't write the songs and I'd do a lot better if I was the writer," Donovan says.
"Their music was the soundtrack to many people's lives.
"It was uncomplicated music and a lot of fun.
"I am very lucky to be a part of it."