Kristen Stewart just issued a shockingly desperate plea for forgiveness ... after cheating on Rob Pattinson with the 41-year-old married director of "Snow White and the Huntsman."
Kristen publicly confessed to the affair moments ago, saying, "I'm deeply sorry for the hurt and embarrassment I've caused to those close to me and everyone this has affected."
She added, "This momentary indiscretion has jeopardized the most important thing in my life, the person I love and respect the most, Rob. I love him, I love him, I'm so sorry.