Matthew Morrison is remembering his late friend and fellow co-star, Naya Rivera.While speaking with ET via Zoom this week, the 42-year old actor opened up about how the cast plans to pay tribute to Rivera for the holidays, following her tragic death in July. She was 33.«It was a really challenging year to lose yet another member of our cast, but we've just bonded together so much through this experience,» Morrison told ET's Lauren Zima.