Louis XV marries Anne of Hanover

In 1725 Princess Anne, the daughter of George, Prince of Wales (future George II) was placed on a short list of princesses as a possible bride to Louis XV of France but due to the unwillingness by the British to allow her to convert to Catholism the marriage never took place. If however this marriage had taken place what would the ramifications have been, particularly for Anglo- French relations?
 
In 1725 Princess Anne, the daughter of George, Prince of Wales (future George II) was placed on a short list of princesses as a possible bride to Louis XV of France but due to the unwillingness by the British to allow her to convert to Catholism the marriage never took place. If however this marriage had taken place what would the ramifications have been, particularly for Anglo- French relations?

It wasn't just so much Anne's unwillingness as the government's unwillingness. George I held the English throne by virtue of the fact that he and his kids weren't Catholic, against someone who had a better right who was [Catholic]. So, as the duchess of Marlborough put it, "Anna of Hannover" can marry the French king, Anne, the Princess Royal, should not.

But that's OTL, so let's say that, in the interest of maintaining good relations of the 30 Years Peace between England and France, Anne becomes French queen. No snubs as were directed at Marie Leszczynska - although if the portraits areto be believed, Anne wasn't exactly a looker, so, it would be Louis XV going to a mistress earlier (and for a different reason than OTL - which was that Marie banned him from her bed "always being taken to bed or brought to bed, that is my life"). However, she would defeat the purpose of Fleury's policy, which was to find a queen who would not get France involved in any wars that didn't concern her - nice try, Cardinal, just look at what happened with the war of the Polish Succession - and the minute any Jacobite gets an idea for "King James and Scotland", France is likely as not going to be dragged into it.
 
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