The racetrack was turned into a gigantic football pitch for the pair, as Formula One champ Jenson drove a McLaren 650S while Cristiano, a two-time European Player of the Year winner, aimed footballs into the moving car.
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Speaking at the event, Tag Heuer's president of the LVMH Watch Division Jena-Claude Biver said: "Cristiano Ronaldo and Jenson Button have incredible guts and drive. Don’t crack under pressure means something very powerful to them both. We definitely share a mindset."
It was a quick break for the two sporting stars as both are in the middle of important seasons - Jenson is fighting for points in the Formula One season with his team McLaren, while Cristiano is playing for Spanish football team Real Madrid.
recently launching his second underwear collection, Rankin x Ronaldo for CR7 Underwear.
"Launching my own underwear brand was a dream come true," said the sportsman. "I am so proud that it has been such a success all around the world, and excited to be launching a second range."
He added: "Since having the opportunity to work on my own brand, fashion and design have become a passion of mine and I've really enjoyed working on the second collection."
Jenson meanwhile will also be busy planning his wedding while earning championship points, after it was confirmed earlier this year that he was engaged to his long term girlfriend Jessica Michabata.
Jessica, 29, has been dating 34-year-old Jenson for five years, was seen wearing the sparkler as she enjoyed a walk in Bahrain in February.
A representative for the couple told the Daily Mail that Jenson and Jessica were "delighted" to confirm that they are set to tie the knot.