Kaia Gerber and Austin Butler Share a Passionate Kiss

Kaia Gerber and Austin Butler can't help falling in, and showing off, their love

The 20-year-old model and the 30-year-old actor shared a kiss on Monday

At the Cannes Film Festival, after attending the premiere of Baz Luhrmann's Elvis

The highly-anticipated film stars Butler as the titular rock icon

At the Elvis after-party, Kaia was seen making her way to the VIP area in a new dress

Where she found her way into Austin's lap and kissed him on the lips

Gerber, the daughter of Cindy Crawford, channeled her model mom's impeccable '90s style for the premiere

Choosing a sleek red Hedi Slimane column gown reminiscent of a rhinestone mini-dress Crawford