The five-times Ballon d'Or victor will be officially unveiled to the world's media at a press conference scheduled for 6.30pm (12.30am, Tuesday, Singapore time) in which he will sign a four-year deal that will earn him a reported 30 million euros a season.
"Several of the best players in the world play in England, the absolute best - Cristiano Ronaldo and Lionel Messi - have played in Spain and France has made progress but there's only Paris Saint-Germain".
The 33-year-old joined Juve on a four-year contract that will see him pocket €30 million per season after they agreed to pay Real Madrid €100m plus €12m more in additional charges.
President Emmanuel Macron leads France's World Cup celebrations
Putin was watching the game alongside Macron and Federation Internationale de Football Association president Gianni Infantino. The 40-year-old leader joined Paul Pogba and Benjamin Mendy in the former's trademark goal celebration move - the dab.
Kylian Mbappe, Eden Hazard and Neymar have all been linked as his replacement, while any of them moving on could lead to other high-profile names doing the same.
Do you think Ronaldo will succeed at his new club?
Ronaldo also found the back of the net in their narrow win over Morocco, before a late strike from Iran's Karim Ansarifard cancelled out Ricardo Quaresma's opening strike in the last match of Group B.
Ronaldo is likely to miss friendlies with Bayern Munich in Philadelphia and Benfica in Harrison, New Jersey, and his status remains uncertain for Juventus' game against the MLS All-Stars in Atlanta on August 1, but he should arrive in time to face Madrid outside Washington on August 5.
But standing alongside Modric, collecting the young player of the tournament award was Kylian Mbappe, the man who should replace Cristiano Ronaldo at Real Madrid.