Pregnant Hilary Duff & Boyfriend Matthew Koma Take Their Dogs for a Hike!

Hilary Duff and boyfriend Matthew Koma kick off their morning with a hike with two of their dogs on Saturday (October 6) in Los Angeles. The 31-year-old actress dressed her major baby bump in a form-fitting black T-shirt and leggings while the rocker, also 31, showed off his biceps in a sleeveless blue shirt for