Strictly stars Nadiya Bychkova and Kai Widdrington looked seriously loved-up as they graced the red carpet on Monday evening.MORE: Strictly's Nadiya Bychkova gushes about romance with Kai Widdrington after sweet reunionThe duo were in London attending the House of Dragon premiere hosted by Sky Atlantic. Dressed to impress, the professional dancers slipped into their black tie outfits for a glitzy evening of entertainment.WATCH: Nadiya Bychkova and Kai Widdrington hold hands in sweet videoNadiya, 32, looked stunning in her nude corseted gown encrusted with sparkly gems.