It's all in her book, "Full Disclosure" -- where primarily talks about her sexual encounter with Donald Trump.
The day after she allegedly banged "The Apprentice" star, she met the Pittsburgh Steelers quarterback at a VIP section of a golf course ... where Ben had been talking with Trump.
At the end of the night, Stormy claims Trump asked Ben to walk the porn star back to her hotel room -- and when they got there, he allegedly asked for a "good night kiss."
Stormy claims she turned him down -- but he pushed lightly on the door while they both stood outside and said, "Come on.