The official website says there will be NO ADDITION of concerts to the tour... so i guess rumors may not be that bad or stupid..... because she always loved being in japan.Moreover, the date for Monaco (included in France) isn't available anymore (even if the website fnac is a reliable website...)
Edit: The date for monaco is still available at fnac.com and reservations will begin on march,4th. The link :
Avril Lavigne