The concert celebrated the Organization for the Prohibition of Chemical Weapons, which works to eliminate the world’s chemical weapons. The organization received the Nobel Peace Prize just days after its inspectors arrived in war-torn Syria to help dismantle the chemical arsenal there.
Also pictured: Mary J. Blige performing during the concert.
Earlier in the day, Claire and Aaron were both present at a press conference before the concert.
FYI: Claire is wearing a Valentino dress. More Here! »