This is a rare vintage pink and white long silk chiffon gown by Ceil Chapman, from the 1960s. The gown has a matching belt, bell sleeves, a "v" neckline, and a zipper up the back with hook and eyes at the top.

Measurements:

Length(Shoulder to hem): 55"

Shoulder to shoulder: 16"

Sleeve: 23 1/2"

Bust: 35"

Waist: 26.5"

Hip: 44"