Jennifer Aniston Films with Dog, Gets Visit From Justin Theroux!

Jennifer Aniston continues her workday with her short new hairdo on the set of Squirrels to the Nuts on Wednesday (July 17) in New York City.

The 44-year-old actress, who filmed with a German Shepherd dog that afternoon, was visited on set by her fiance Justin Theroux!

Temperatures in New York City are brutally hot, but Jen toughed it out and used an electric handheld fan between takes.

Jennifer filmed earlier in the day as well in a different outfit.

25+ pictures inside of Jennifer Aniston filming on set with a pup…