
Jennifer Aniston and John Mayer marked Barack Obama’s victory in the US election by partying in Beverly Hills.
The couple attended a do hosted by pals Courteney Cox, 44, and David Arquette, 37.
Other guests at the bash included Sacha Baron Cohen, 37, and his fiancée Isla Fisher, 32.
‘David was in such a good mood, he walked outside his gate and poured champagne for the paparazzi,’ an insider tells E! Online.
Barack, 47, is the first African-American US president, winning the election over rival John McCain, 72.