Sean Penn & Scarlett Johansson Make It Official At White House Dinner

May 1 2011, Published 5:00 a.m. ET
By Breaking Celebrity News Staff
When you hold hands at a White House dinner, something actors Sean Penn and Scarlett Johansson did Saturday night, you’re officially a couple!
The dinner has become a must event for every Hollywood A-lister, and this year was no exception. Every media outlet wanted some show biz at their table.
Anna Paquin and her on and off-screen True Blood husband Stephen Moyer were there. So were Mila Kunis, Chace Crawford, Ian Somerhalder, David Arquette, Rosario Dawson and America Ferrera. We also spotted Jon Hamm, Joan Rivers and Bradley Cooper.