The Israeli supermodel took to the dancefloor wearing it at lavish party thrown by top jewellers Chopard.
Meanwhile, Leo has been soaking up the sun on a yacht in Ibiza.
Source and TMZ video
...And for all the blogs or anyone reading this who thinks just because she's not on the yacht with Leo that they must have broken up... let me break it down for you really quick: A couple who's just broken up don't end up in the same country just for the hell of it. Let's not get reckless. Give it a day and I'm sure Bar will be on the yacht with Leo alongside Tammy Levy (that's your mystery blonde).