Special Stitches
v-st = 1 dc, ch 2, 1 dc in same st.
v2tog shell st – 1 = 1 dc, ch 2, 2 dc, ch 2, 1 dc in same st
v2tog shell st – 2 = sk first dc and ch 3 of v2tog shell st-1, 1 dc, ch 2, 1 dc in next st 2 times.

Note:
The dress has worked in top to down. Don’t cut the yarn after finish each row. Carry the colors each when it wants to crochet with the same color. It will cover up when you crochet the edge row.