Every Sunday in LA, taste-makers, fun-seekers, and a litany of “who’s who” converge at Bagatelle, a Parisian-inspired restaurant in West Hollywood, for a boozy brunch. Think champagne showers, dancing on tables, and lots and lots of beautiful people. Seemed only natural for us to go, right?[L to R] Jon Challacomb, Steven Dougherty, Kyle Langan, Shawn Rougeron, Tara ReidJon graduated from college so we knew we had to celebrate. Upon entering Bagatelle, we were presented with a “punch bowl”, the main ingredients of which was 1 bottle of vodka and 2 bottles of champagne. BOTTOMS UP. Back in the Hamptons there’s a brunch event called Day and Night, which is basically the East Coast version of Bagatelle, so I was fairly familiar with the shenanigans that would be going on. It didn’t stop me from acting a fool, though.[Bottom Right, L to R] Cody Kelly, Adam Richards, Robert Hunter, Kyle Langan, Steven…