Article continues below advertisementSofía Vergara brought her signature sultry style to the America's Got Talent semifinals. The Modern Family star, 53, stunned in a strapless, green and purple floral dress while judging the competition series on Tuesday, September 23. Vergara bared her cleavage in the busty gown, complemented by her flat-ironed locks and smokey eyeshadow.Article continues below advertisementSource: @sofiavergara/InstagramSofía Vergara will judge this week's 'America's Got Talent' finale.