Simpson Slams Leto Rumours.Jessica Simpson has slammed reports she is dating actor JARED LETO, insisting they just happened to run into each other during a night out on the town recently.Simpson appeared on RYAN SEACREST's KIIS-FM radio show in Los Angeles on Friday (23JUN06) and claims her encounter with the ALEXANDER star was entirely innocent.When Seacrest asked her if she was dating CAMERON DIAZ's ex-boyfriend she shot back, "Don't ask me about that! It was just a night out!" Seacrest replied, "So you guys were at the same place at the same time?"Simpson replied, 'We were, isn't that a coincidence? We said 'Hi' and gave each other a hug and somehow it became this whole huge story. He's a friend."