Desk to Date Night: Red Spanx Mini Dress Edit Need a dress that does it all? 👠 This square neck mini dress from the Spanx sale is the perfect desk-to-dinner piece. Its mini length (35") is ideal for shorter frames, making it a top pick for petite fashion. Layer it with a blazer for a boss lady look, or wear it solo for cocktails. Fully opaque, high-quality knit with the famous Spanx compression. LTKPetite LTKSaleAlert LTKOver40