The "Glamorous" singer looked amazing as she blew out her birthday candles at her bash in a silver one-shoulder dress and a bold red lipstick, reported Us magazine.
The couple - married since January 2009 - were joined by 100 of their closest friends and family. They drank up and noshed on the tasty dessert, which was covered in strawberries and blueberries.
Fergie and Duhamel welcomed son Axl in August 2013.