Paris Hilton, Ashlee Simpson And More Step Out In Style Down Under

It was a super stylish night in Sydney on March 31! From Paris Hilton to Ashlee Simpson, they were some of the famous faces that put their passions for fashion on full-display at the launch of Marquee Nightclub at The Star.

Joined by Melanie Brown, Joe Jonas and parents-to-be, Nick and Vanessa Lachey, it seemed like all of these celebs dressed to impress Saturday night!

Photos by WENN