Aubrey Plaza has returned to the red carpet for the first time since her husband Jeff Baena's death. Baena died at age 47 in January.

See all the best red carpet looks from the Cannes Film Festival, which is expected to welcome stars including Tom Cruise, Scarlett Johansson, Kristen Stewart and Robert De Niro. The jury is headed by Juliette Binoche,

Much of the cinema world has descended on the Cannes Film Festival as the French Riviera extravaganza holds its 78th edition.