Kate Hudson is ready to start a family with her rocker boyfriend, Matthew Bellamy, a source confirms to PEOPLE.

“They couldn’t be more excited,” the source says of Hudson’s being pregnant. “Kate is really happy. She was always excited to have kids again at some point.”

The source revealed in regards to the pregnancy, “It was not planned, but they are excited and embracing it.” The source said that Hudson, who has a son, Ryder, 7, with Black Crows singer Chris Robinson, is excited to expand her family. “She is happy for Ryder to finally have a brother or sister.”

Casey’s Comments

Another Hollywood star bringing a baby into the word. I always love to hear about surprise babies, as that is what my daughter was, and I feel that they really want to be here and have so much to give to the world! Congratulations Mamma! 😉