Liam Hemsworth gave fiancée Gabriella Brooks a dreamy engagement ring. The model, 29, made sure to show off her timeless diamond sparkler while announcing her plans to wed Hemsworth, 35, via Instagram on Thursday, September 11. In the photo, she wrapped her arms around the actor while gazing into the camera. She also gave fans a zoomed-in glimpse of her bling, which featured a cushion-cut diamond set in a gold band with a thin bezel.