long green dresses Off-Shoulder Emerald Prom Dress This gorgeous green number will make a stunning statement as you walk into the party Dark Green Satin Long Prom

Get two pairs of formal shoes

But, when it comes to cocktail attire, there is still definitely too casual, argues Spencer

I folded the bias tape in half (but did not iron it) and did a machine straight stitch along the raw edges just to keep it in place - this is called a basting stitch (which is funny because it looks nothing like basting a turkey)

He recommends these beige sandals from Studio Amelia for "a pop of gold in the heel to spice up your blue dress look." "A soft cream is also a timeless choice that highlights the lighter undertones of blue," Katz adds, recommending the Catrina Slingback Pumps from Aeyde

Choose Leilani for an unforgettable wedding day