Sam Worthington & Pregnant Love Lara Bingle Spend a Romantic Day Together

Sam Worthington works on his fitness with a casual hike on the sunny Thursday (March 12) afternoon in Malibu, Calif.

The 38-year-old actor was accompanied by his rumored wife and mom-to-be Lara Bingle for the romantic stroll along the beach.

PHOTOS: Check out the latest pics of Sam Worthington

Sam is gearing up to begin filming the long awaited sequel to Avatar, set to be released in 2017 and also starring Zoe Saldana and Sigourney Weaver.

The first Avatar was released in theaters nationwide almost six years ago in 2009.