The 'Let Me Entertain You' hitmaker is set to play the 2022 Toyota AFL Grand Final halftime show on Saturday, September 24 at The Melbourne Cricket Ground (MCG) in Kylie's native Australia.
And the 48-year-old pop star hinted he and the 54-year-old pop princess could reunite to perform their noughties classic at the sporting event.
During an appearance on FOX FM, he said: "I need to ask her, maybe I should do that on this radio station right here, right now.
"Kylie, please come and sing with me. I'd love it if you did."
He then teased: "I cannot confirm or deny [but] I will be singing a song that isn't a Robbie Williams song. I'll just put that out there."
Last year, Robbie teased a new collaboration with the 'I Should Be So Lucky' hitmaker.
The former Take That star revealed he and Kylie have "big plans" for a follow-up.
He said: "I have a song with Miss Kylie Minogue, I have big plans for it if she is up for it. I have big plans."
While an insider said: "Kylie and Robbie have recorded a new song together.
"It's their first collab since 'Kids' in 2000 and Robbie is keen to make it a single.
"Due to COVID, there are no concrete plans for the release.
"It won't be a mini drop like Kylie recently did with her Studio 2054 remix of 'Real Groove' with Dua Lipa."
Robbie also co-wrote Kylie's 2001 track 'Your Disco Needs You'.
The 'Rock DJ' hitmaker recently dropped his orchestral greatest hits LP ‘XXV’, and he is on course to earn his 14th solo number one album in the UK.
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