The world’s largest short film festival, Tropfest, wrapped up its first festival in Las Vegas on Sunday. The festival served as a celebration of Tropfest’s 20th official birthday during a weekend of free, mostly outdoor events at the Cosmopolitan of Las Vegas.

Giuliana Rancic hosted the Official Miss USA After Party at Lavo at the Palazzo on Sunday. The “E! News” personality was accompanied by a group of friends as she dined on the Kobe meatball, crispy fried calamari, roasted Chilean sea bass and chicken parmigiano in the restaurant before commanding a VIP table in the center of the nightclub.

On Saturday night, KGB: Kerry’s Gourmet Burgers at Harrah’s Las Vegas celebrated its second anniversary with chef Kerry Simon and special guest Sammy Hagar.

Dancing pro Cheryl Burke from “Dancing With The Stars” at hosted the Us Weekly “Hot Bodies” Issue Party at Liquid Pool Lounge at Aria on Saturday afternoon.

The 2012 Miss Teen USA contestants showed off their sweet side at Sugar Factory at Paris Las Vegas on Saturday evening.

Jewelry designer David Yurman hosted an exclusive in-store shopping event for the friends and supporters of The Junior League of Las Vegas last Friday night.

The summer party scene was hot over the weekend at the Hard Rock Hotel. Singer Pete Wentz kicked off the weekend with an early birthday celebration at Vanity Nightclub with several friends including members of his band Black Cards and longtime model girlfriend Meagan Camper on Friday night.

Former Miss Nevada USA Sarah Chapman spent the day and night on Saturday at Encore Beach Club and Surrender Nightclub at Encore Las Vegas, joined by a slew of former Miss USA contestants in town for tonight’s Miss USA 2012 pageant.

Comedian Wayne Brady knows how to party in style. The funnyman celebrated his 40th birthday on Saturday night at the Mirage while he was in town performing his show “Making it Up” as part of the “Aces of Comedy” series.