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. (More Kate Hudson stories.)