Sean Penn and estranged wife Robin Wright Penn are reportedly back together.

The Oscar-winning actor and the 'Forrest Gump' actress - who announced their separation last year - attended a party in Cannes, France, on Saturday night, which was hosted by model Petra Nemcova, who dated Sean after he initially split from Robin.

Pamela Anderson, Ben Affleck and 'Heroes' actress Hayden Panettiere are heading to the White House.

The trio are among a host of celebrities on the star-studded guest list for the White House Press Correspondents Association Dinner. Also invited are 'Desperate Housewives' actress Marcia Cross, celebrity blogger Perez Hilton and 'The Hills' star Lauren Conrad. Scottish comic Craig Ferguson will host the evening.