Asia Argento In Bed with 17-Year-Old Boy ... In Sexual Encounter

EXCLUSIVE

imageAsia Argento[1] says she did not have sex with then 17-year-old Jimmy Bennett, but a photo and various text messages between Argento and a friend tell a very different story ... she flat-out says she had sex with him.

This is one of 4 photos Bennett, now 22, took in a Marina del Rey hotel room back in 2013. The then 37-year-old Argento and Bennett are on a bed shirtless, their heads on a pillow and their arms entangled. Sources tell TMZ the pic was taken after the 2 had intercourse. It's a crime in California for an adult to have sex with a person under 18.

Bennett later threatened legal action and, in April, Argento settled with him for $380,000 ... which her boyfriend, Anthony Bourdain, paid[2].

Argento released a statement Tuesday, saying, "I have never had any sexual relationship with Bennett."

imageAbove are partial text exchanges between Argento and one of her friends. Argento and the friend went back and forth in the midst of the backlash from the New York Times story that ran Sunday[3] about her and Bennett. Argento's messages are in grey ... her friend's are in blue.

imageArgento says Bennett wrote this note (above) on Ritz-Carlton stationary -- the hotel where they hooked up -- and said, "Asia, I love you with all my heart. So glad we met again and I'm so glad your in my life. Jimmy."  She texts her friend the note, saying, "He wrote me this afterwards and kept sending me unsolicited nudes all these years up until

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