The lacy ruffled vest: I know, it's a strange concept. But I've been seeing these since summer in Tokyo - on all the coolest girls, and plastered all over the Japanese mags - where girls are using it as a feminine layering peice to tone down the masculinity of all that black, denim, and studs.
And it's super-easy to make!
1
Cut the sleeves off your top carefully so you leave the finished armhole seams on the shirt. Cut straight down the center of the shirt. (If your shirt didn't have a V-neck before, cut the neck into a V-shape.)
2
Cut each sleeve in half vertically and spread open.
3
Place one sleeve on one side of the cut front of the top. (Orient the top of the sleeve cap at the end of the V- of the V-neck; and the sleeve itself centered on the cut CF edge. The sleeve bottom/cuff area will likely be slightly longer than your top length.)
Stitch the sleeve to the top along your shirt's cut edge. (not pictured)
Repeat for the other sleeve - attaching to the other side of the top's center front vertical cut edge.
5
Cut the sleeve edges into a scalloped pattern - you can follow the pattern of your lace - or cut in a vertical zigzag - or scalloped - it's up to you. It may take a couple tries of cutting and then trying the piece on to see how the fabric falls - and adjusting after that.
6
You're done!