One day it may be cold. Another day it may be hot. That's the month of May--and it may be a good excuse to have a cute, throw-it-on cardigan at the ready for those up's and down's. I just snapped up the pearl-trimmed $120 , above. (The $98 one below is also adorable!). Also a good idea: the most perfect white button blouse by that can go over this summer's , a , or even a !