A Roberto Cavalli-clad Diane Kruger cozied up to her boyfriend, Joshua Jackson, last night at the launch of the Edition Hotel in Istanbul, Turkey. The duo jetted halfway around the world for the opening after a few days in NYC. Joshua and Diane were among the many hot couples who hit the red carpet at Monday's Costume Institute Gala, where she wowed in a high-slitted Jason Wu gown. They kept the fun going afterward alongside Jason himself at the Standard, with Diane changing into a short, feathered number from the designer. Their stay in the Big Apple also gave Diane a chance to hit up some of her favorite shops. Diane and Joshua reconvened for a lunch date on Tuesday, though they were slightly distracted from their food due to the amount of kissing they were able to accomplish from across the table.