{Instagram} With only 4 pieces of stretchy fabric, you can make this cute and comfortable nightgown for your little girl. It's easy! I give credit to my Mother-In-Law for coming up with these adorable nightgowns. *Measurements for my 6 yr. old: Front and Back Pieces Around widest area (hip/bum) = 22" + 2" = 24" Desired length from collar bone down = 20" + 1" = 21" So I need to cut 2 rectangle pieces 24" wide x 21" long Sleeves Around widest part of arm = 6", Double that number = 12" Desired…