Ronaldo has invited Real Madrid teammates Zinedine Zidane Raul David Beckham and up to 250 friends to the Feb. 14 bash at the Chantilly castle.
Chantilly is a short drive north of the French capital and a fleet of 63 Audi A8 cars have been made available to ferry guests to the ceremony.
Ronaldo is expected to marry later this year his press attache said Friday.
Under Spanish law the 28-year-old cannot remarry for at least one year after a divorce. Ronaldo has split with his first wife Milene Domingues.
"Ronaldo is not allowed to marry until the term (one year) is finished'' David Espinar told The Associated Press by telephone. "In the summer he can get married.''
"Ronaldo and Daniella wanted to do something special on Valentine's Day as a sort of symbolic union because they cannot get married yet'' Espinar added. "But they will consider it as their wedding day.''
Espinar said Ronaldo will likely fly to Paris on Monday morning and leave Tuesday morning.
Real has an evening match against Osasuna on Sunday and Ronaldo the 2002 World Cup top scorer is expected at team training on Tuesday afternoon.
"I can't do anything about the date'' Real Madrid coach Vanderlei Luxemburgo said.
Sports daily AS featured photographs of a Montecristo Havana cigar sporting an extra band with a red heart and the letters "R'' and "D'' embossed. These will apparently be handed out to guests.
Ronaldo is Real's top scorer this season with 11 league goals. Since joining after winning the World Cup he has notched 71 times in 110 La Liga and Champions League matches.