Among the glitterati packing it in at Cannes was "so cute" couple Kate Hudson and Lance Armstrong—liplocked at Dolce & Gabbana's annual bash, People reports. "They were beaming at each other," a source said. The pair hit up the dance floor, rocking to '80s classics, and rubbed elbows with the likes of Lindsay Lohan, Naomi Campbell, and Cannes juror Natalie Portman.