Amanda Holden was left speechless as the top button of her dress popped open during a live Instagram video.Wearing a mustard-coloured Alice McCall mini-dress with brass button detailing and mid-length sleeves, the Britain's Got Talent judge, 51, stunned fans as the top of the dress burst open.She posted the hilarious clip to her Instagram stories on Tuesday (September 6).READ MORE: Amanda Holden, 51, goes braless as she parades killer figure in skintight dressFollowing the shocking incident, Amanda later laughed off the major wardrobe malfunction and attributed the dress-popping error to "indulging in too much rosé wine".
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