Lance Armstrong is a married man -- he just tied the knot with his longtime girlfriend ... and the ceremony went down in a very familiar place for the former cycling star -- France!
Armstrong posted a bunch of photos Tuesday morning of the amazing event ... calling his special day with Anna Hansen the best "ever."
"It was an evening full of laughter and plenty of joyful tears," Armstrong said of the wedding ... before adding, "Hope you are all having an excellent summer - I sure as hell am.