Place shoulder seams of front and back neck facings right side together.
Pin as needed.
Note this step does not attach to shoulder seams of bodice.
Stitch neck facing shoulder seams with 3/8'' seam allowance.
Trim down bulk of seam allowance.
Finish raw edge with serger finish or zig-zag stitch.
Press shoulder seams forward, stitch finish raw edge of neck facing.
Trim 3/4 inch from bottom of seam allowance (removing bulk for folding hem).