Christina Haack.MORE: Ant Anstead and Renee Zellweger share gorgeous photo from weddingThe former couple are parents to two-year-old son Hudson London, and it was revealed by People this week that Ant has filed for full custody of the little boy.But shortly beforehand, the TV star shared a positive update on social media concerning his romance with Hollywood star Renee Zellweger.VIDEO: Ant Anstead and Renee Zellweger star together in Celebrity IOU Joyride Fans were delighted after the Celebrity IOU Joyride host shared a rare picture of them together to mark a special moment in their relationship.MORE: Ant Anstead reveals surprising detail of romance with Renee Zellweger READ: Formula 1 ace Jenson Button finally marries Brittny Ward after postponing wedding twiceThe couple were pictured sitting in the back of a fire engine while filming Celebrity IOU Joyride - the very show they met on.He wrote: "WOW! This just popped up in memories. One year ago today! Sat on the back of a fire engine on the final day of filming having handed two amazing men a car as a thank you from Ren.
