Billie Shepherd shared her daughter Margot's major milestone as she announced that her little girl had taken her first steps.The former TOWIE star, 33, managed to capture the adorable moment one year old Margot walked for the first time on video which she proudly shared with her 2.7 million Instagram followers.The blonde beauty, who is also mum to Nelly and Arthur gushed about how "precious moments like this are the best" as she opened up about the special milestone online.The reality star, who shares her three children with her husband Greg, could be heard in the background of the sweet clip encouraging little Margot to walk towards her. Billie posted the emotional clip on Instagram alongside the proud caption: "And just like that our baby girl is off.The little screams and clapping in between.