In a shocking new twist to the biggest political scandal in recent history, RIELLE HUNTER is being unfaithful to JOHN EDWARDS, the father of their love child.

The ENQUIRER has learned that the disgraced presidential candidate and his 46-year-old mistress had a major blowout after she traveled to Hollywood recently and tried to look up some famous former boyfriends.

The ex-videographer tried to reach out to Friends hunk Matt LeBlanc and  Gross Pointe Blank star John Cusack, an insider told The ENQUIRER.

"Rielle decided to contact her old flames."

The star-chaser boasted to a pal that "if she can’t marry John Edwards, then marrying a famous actor is high up in those dreams of hers!"

Get the full story with ALL the intimate details ONLY in the new ENQUIRER – on sale now.