Los Angeles – Hilary Duff and Matthew Koma were seen similar working outfits with flannel button-ups while at lunch. Duff, 35, was wearing black leggings, light pink running shoes, and an Alo top that peeked out from under an unbuttoned red, white, and black oversized flannel. On the other hand, Koma, 36, wore gray ankle socks, gray running shoes, red …