Being told you have a big mouth is not often taken as a compliment, however for Marie Pearl Zellmer Robinson, it's the title she's always dreamed of. Marie has been given the official Guinness World Record for being the owner of the World’s largest female mouth; it looks impressive and practical too. She joins us from her home in Alaska to show off her big gob and reveal just a few of the things she can fit inside it... Broadcast on 22/04/2025 Subscribe to This Morning for more exclusive videos: