Fashion: Blooming Lattice Cardigan

I love how last year's green anthro blooming lattice cardigan (modcloth has a similar version here) has been styled so many ways. I am in total want of a version like this, or most especially a mustard color. But, seeing how Texas weather turns hot so quickly, I'm sure I will have little time to acquire and even wear anymore cardigans this year. The girls at anthroholic paired this cardi wonderfully as well.

(4 fashion girls is an ebay store)

Cardigan belting, for or against? I might need to delve into this more...
Some grrreat belting advice from A Day in the Life for those who don't think it can work for you.