SPANX or Lingerie??? - What's going on under your dress

I was recently thinking about buying some Spanx to wear under my dress but then I thought about the traditional bridal lingerie that 'they' say should go under it. It's

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SPANX or Lingerie??? - What's going on under your dress?, Weddings, Wedding Attire, Wedding Forums

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Bridal Shapewear and Lingerie: What to Wear Under the Wedding Dress