"It just happened a week ago," she said. "I haven't really announced it. I feel like the announcement feels so silly. I was just waiting for someone to notice [the ring]."
Hudson and Bellamy, both 32, have been dating for year. The actress announced in January that she and the Muse front-man were expecting a baby. Hudson has a 7-year-old son, Ryder, with ex-husband Chris Robinson.