Cameron Diaz: Hiking in L.A.!

Cameron Diaz goes for an invigorating hike on the sunny Tuesday (March 19) in Los Angeles.

The 40-year-old actress was joined by a gal pal for the afternoon exercise session!

PHOTOS: Check out the latest pics of Cameron Diaz

Recently, Cam celebrated pal and actress JoAnna Garcia‘s baby shower at Fig & Olive in West Hollywood with other celebs including Jamie-Lynn Sigler, Lance Bass, Jennifer Morrison, and Reba McEntire.

“Cameron looked great! She was in jeans, a white shirt and gray blazer,” a source told Us Weekly.