Stacey Solomon looked every inch the belle of the ball on Monday evening as she stepped out to attend The Beauty Awards with her co-owned haircare brand, REHAB. For the glitzy red carpet occasion, Stacey, 34, shimmered in a sequin-clad midi dress complete with a fabulous, feathered Bardot neckline and a scintillating thigh-split. She teamed her spellbinding garment with a …