Paris Hilton and Benji Madden spent their Fourth of July [1] weekend in Las Vegas, watching a boxing match at Planet Hollywood before joining Nicole and Joel [2] at the Hard Rock on Saturday. Paris and Benji kept the fighting in the ring, avoiding a run-in with Stavros Niarchos [3] at Blush nightclub later on in the night. Apparently, Paris' ex made a quick exit when he realized the couple was going to be seated near him. Paris luckily missed out on sin city drama, although we can't say the same [4] for Nicole.

[4]

Source [5] and Source [6]