Rachel Bilson & Hayden Christensen: Studio City Couple!

Rachel Bilson and Hayden Christensen take a leisurely stroll after having lunch with a pal on Thursday (July 12) in Studio City, Calif.

The 31-year-old actor was spotted visiting his 30-year-old girlfriend’s house earlier in the week.

PHOTOS: Check out the latest pics of Rachel Bilson

Hayden recently scored a victory in court when a judge ruled that he is allowed to sue USA Networks for breach of implied contract for allegedly stealing his idea for the television series Royal Pains, according to THR.

20+ pictures inside of Rachel Bilson and Hayden Christensen out for lunch…