The 'Muse' singer and Hudson have dated since the spring of 2010, and announced their engagement a year later, reported Digital Spy.
"Eventually, yes. I look forward to it... We'll both figure it out. We've been both very busy, but it will happen," she said.
The "Reluctant Fundamentalist" actress, who raises a son with Bellamy, described the tot as a gem.
"He is talking up a storm. I'll ask, 'What do you want for breakfast, honey?' He says, 'Bolognese'," she joked.