Looks like Paris Hilton is totally ganking Mischa Barton's sloppy seconds - and we're not talking about Cisco Adler, Taylor Locke, Luke Pritchard or Noel Fielding.

The former star of The OC and new cast member on the CW's upcoming The Beautiful Life wore a Grecian-inspired gown to a DSquared party in L.A. last fall.

The ho-tel heiress then rocked the frock this week in Cannes.

She did switch things up a little, at least, as Mischa kept her look fairly simple with a few bracelets, while Hilton added a belt and headband to the ensemble.

While it's a nice change of pace to see clothing on the socialite, especially after the new Paris Hilton sex tape preview with Doug Reinhardt earlier in the week, did Mischa Barton wear the dress better the first time? Tell us below ...