Rupert Sanders — I’m All Smiles … WITH My Wedding Ring!

Adulterous director Rupert Sanders flashed a big “ol smile … and his wedding ring … outside his home in Hollywood yesterday, more evidence he”s serious about reconciling with Liberty Ross.

our sources broke the story … sources close to Rupert tell us the “Snow White and the Huntsman” director is gunning HARD to save his marriage … promising to end his cheating ways for good.

We”re told Liberty hasn”t decided if she””ll take him back or not … but she WAS NOT wearing her wedding ring when she hit the red carpet at the premiere of “Lawless” on Wednesday night.