Millie Mackintosh has shared a sweet clip of her daughter Sienna attempting to say her first word.The proud mum, who recently planted a loving kiss and her baby girl's head as they enjoyed a stroll, took to her Instagram feed to first post a gorgeous snap of them posing together for the camera.The 31 year old looked gorgeous as she donned a blue, pink and yellow-themed floral dress with a plunging neckline.The star was all smiles as she cradled her four month old baby.