Arnold Schwarzenegger and Heather Milligan's Bike Ride

Arnold Schwarzenegger was spotted biking with his girlfriend, Heather Milligan.

The couple enjoyed a bike ride after visiting Gold's Gym in Venice, Calif.

Arnold sported a Terminator-inspired look with sunglasses and a motorized bicycle.

Heather opted for a sporty outfit with leggings and a white long-sleeve shirt.

Arnold and Heather have been together since late 2012 but kept their romance private.

Arnold praised Heather's success and expressed his love for her in a recent interview.

Despite their divorce, Arnold and his ex-wife Maria Shriver remain close friends.

The couple co-parents their children and celebrates holidays together.

Arnold reflects on handling divorce with minimal impact on their children.

The couple's biking date showcases their active lifestyle and strong bond.