The former Hear'Say singer and Greenfield were filled with "love and happiness" as they welcomed the baby on Tuesday October 6, reported Female First.
Taking to her Twitter account, the blonde beauty wrote, "@SamJGreenfield & I couldn't be more beside ourselves with love and happiness as we welcomed our little baby boy into the world today (sic)."
Her beau also announced the news, praising his stunning partner on the delivery of their healthy little bundle of joy.
He wrote, "Incredibly proud of Suzanne - wow!"
Shaw got engaged to Greenfield in 2014 after a year of dating.
