Here you can see that the colorful stitching was coming undone:
I cut right below the stitching straight across with my fabric scissors:
The skirt wasn't long enough so I cut the arm And sewed the back and front piece together to form a circle band. Heres my seam:
Next I pinned and sewed the band onto the the other piece. The band was shorter than the bottom so in the middle on the front and back I made a pleat:
Then I sewed a casing at the top for the elastic. Mine was an inch wide. This picture was really bad cause the material I was sewing with was t-shirt material and it kept rolling up on me.
I measured and cut a piece of elastic and threaded it through the casing:
I had my sister try it on to see where to sew the elastic. I sewed the elastic and sewed the opening closed, and I was done.