Holly Willoughby enjoyed a rather star-studded girls night out, as she celebrated Emma Bunton's birthday.Taking to Instagram, Holly shared a snap as she posed alongside birthday girl Emma, former All Saints star Nicole Appleton, Loose Women panellist Christine Lampard, talent manager Shiarra Bell, and PR guru Niki de Metz. Captioning the photo, Holly wrote: "Happiest of birthdays Baby! Wishing @emmaleebunton a very happy (early) birthday… love ya! [pink bow emoji] @shishib @nicoleappleton @christinelampard #nikidemetz." Commenting on the snap, Holly's former This Morning co-star Josie Gibson wrote: "What a gang! [heart-eye emoji]".