white satin long sleeve dress Shona Joy - La Lune Plunged Maxi - Bust up to 97 cm (38.2 in) Open back long sleeve gown

For fashion fans who want to recreate Kate's look, the good news is that the Self-Portrait dress is still available to shop online

When it comes to shoes to wear with long dresses, go for a classic look with heels or choose something more casual, like ballet flats

We love a modern work dress that takes inspo from a blazer

Size Range: 030 or custom sizing 11

If your bust, waist and hip correspond to different sizes, choose the largest size from the HSN Size Chart.

One person can go as the pregnant teen, while the other ons a curly haired wig (if you're not lucky enough to be born with those natural curls) and go as the baby's father Paulie Bleeker