Megadeth Lace Strap Dress! Altered from a large licensed men's t-shirt. Lace V-cut neckline and adjustable straps. 

You can buy jacket here:

Sizes // Measurements: 

XS: bust 30 - waist 24 - hips 34 
Small: bust 34 - waist 26 - hips 36
Medium: bust 36 - waist 28 - hips 38
Large: bust 39 - waist 31 - hips 41
XL: bust 43 - waist 35 - hips 45 
2X: bust 46 – waist 37 - hips 48
3X: bust: 50 - waist: 43 - hips: 53
4X:  bust: 55 - waist: 48 - hips: 58