Now, we don't mean to gush, but how beautiful did Elie Saab Couture gown.
Longer blond curls and immaculate makeup were all that were required to complete the picture-perfect look.
But that wasn't all. She then scored another style hit, attending the official festival opening dinner in Chanel Couture (but of course.)
The 35-year-old teamed her structured monochrome dress with a cute, disheveled side plait and a striped black-and-white clutch.
Ahh la Kruger. Perfection as always. (There, gushing over. For something slightly less sycophantic, check out what we made of George Clooney on the very same red carpet.)
Which of Diane's Film Festival looks gets your vote? Poll below!
Click on our gallery below to see who else has been walking the red carpet at this year's Venice Film Festival: