Take a new look at a Blue Monday. Actually, it is. From the U.K.'s New Look, their Blossom Empire bra and Sequined Ruched (ruched?)brief in teal blue.
From The Free Dictionary.com:
ruche (rsh)
n.
A ruffle or pleat of lace, muslin, or other fine fabric used for trimming women's garments.
[French, from Old French rusche, beehive, from Medieval Latin rsca, bark of a tree (used for making beehives), of Celtic origin.]
ruched (rsht) adj.
I've always liked ruched panties; I've just never known what to call them. Never to late to learn, and you're welcome for the lesson. Worn nicely by Stephanie van Arendonk.