'Course you have.....its super cute,you can't miss it!
Looking through the Flickr pool I found this by another sweet friend. So,I mercilessly
Press really really well.
Pop the lace under the edge and carefully pin in place making sure the lace is caught.
I sewed with a smaller stitch width then usual.
Continue on with the rest of the pattern.
I will mention that the sleeve hem is very narrow,if you wish to do a double hem a wee bit of length added could be helpful.
Also,I found it a struggle to get over Tildy's big noggin so it may be worth checking that before you secure the centre front seam. Particularly if you would like to try my next variation.