Isla Fisher & Sacha Baron Cohen: Casamigos Halloween Party 2013!

Isla Fisher and husband Sacha Baron Cohen hold hands while arriving in full costume at the 2013 Casamigos Halloween Party at the home of Mike Meldman on Friday (October 25) in Beverly Hills, Calif.

Earlier in the day, the 37-year-old actress was spotted showing her fit figure after breaking a sweat at the gym in Studio City.

PHOTOS: Check out the latest pics of Isla Fisher

Earlier in the week, Isla was all dolled up while posing with Robert Pattinson at the 2013 Australians in Film Awards Gala.

FYI: The Halloween party was hosted by Mike Meldman and Rachel Zalis and was themed “Dia De Los Muertos – A Frightful Fiesta.”

20+ pictures inside of Isla Fisher and Sacha Baron Cohen sporting costumes at the Casamigos Halloween Party…