I also took about 6 inches off of each sleeve.
**You'll want to save these sleeve ends for another fun project, which I will be posting soon.**
Save what you cut off of the sweater to make a collar. Now you'll want to sew all the raw edges with a zig-zag stitch at the very edge. + Thank you for this tip Jill, from Made it on Monday." Sewing them like that will give you this awesome rufflish edge that won't fray!!!
Now that you've got that done, trim up your collar and pin it on. I sewed mine with the wrong side of the sweater to the right side of the collar.(wrong sides are both showing in the below picture), so I could then flip the collar over and have the right side up. Here's what I did...