Arriving one day before Victoria Beckham’s baby girl, the little boy was born on the evening of Saturday, July 9, according to Us Weekly.
The information was confirmed by Kate’s rep. This is the couple’s first child and second for the actress.
Hudson and fiancé Matthew Bellamy, Muse frontman, announced the pregnancy in January.
The mother and baby are getting ready to fly as soon as possible to the musician’s London house while he will be recording a new album.
Kate Hudson is already the mother of a 7-year-old boy, Rydel Russell Robinson, born from her first marriage to Black Crowes singer Chris Robinson.