Miss USA Rima Fakih heard screams when a bikini-clad model’s hair went up in flames at Sean “Diddy” Combs‘ party Monday night, which we first reported yesterday. She recalls, “We heard a scream, then the model ran upstairs with smoke coming from her head, and Diddy running after her. They gave her some clothes to wear. I told her, ‘At least everybody is going to know who you are now.’ ” Fakih, who wants a Hollywood acting career, first met Diddy at Fort Hood in Texas at a WWE Salute-the-Troops show that airs tomorrow: “He was really charming.”