I made this top using Bonnie Blue pattern ‘Madison’, it is fully lined and buttons down the back. I know lining can be confusing especially when the back is in two pieces.
Because the view I chose for this pattern also has a separate yoke, the piece I used for the lining was the one piece top pattern. When lining a A-line dress you can pull the lining through an opening left in the lining, when you have a two piece back you will need to approach it a little different. After sewing your shoulder seams together on both lining and fashion fabric lay the lining on the fabric and sew neckline, hem and back opening. I pretty much know what you are thinking at this point.
Now, to turn this puzzle, reach through the side opening, and work the back piece through the shoulder.
You now have top fully turned and it’s time to give it a good pressing. Yes, you still have to deal with the side seams. So, reach inside the top front between lining and garment and pull the opposite side seam together. Pin right sides together lining to lining, garment to garment.