John Mayer was sampling a little Latin flavor! We caught the sensitive songsmith blowing off a little post-concert steam on Saturday night - in the same place we'd caught Shakira and Penelope Cruz a little earlier! Not coincidentally, Jessica Simpson was nowhere to be found - well, at least those crazy kids will have something to talk about during their next nighttime hotel rendezvous!

Meanwhile, Parc was jumping off like crazy - we caught Hayden Panattiere, Rumer Willis (we're presuming they both went to the restaurant rather than the club part - as you may recall, neither one's old enough yet!), Jesse Metcalfe, John Cho (of Harold & Kumar Go To White Castle fame) and DJ Qualls making the scene, in addition to the party-hopping Pene and Shaki. Crazy weekend, huh?