This pretty top is from Tibi in a misses size 10.  Made of pure silk, it is lined. Has a back zipper and adjustable shoulder straps.  
Unstretched, measured from seam to seam across the front:
bust is 18.5 inches across
waist is 18 inches across
hips are 21 inches across
length is 25 inches long
New without tags.  From a smoke free home.  Thanks for shopping with me.