This Mother of the Bride is getting family invited and ready for the big day (maybe?) in Italy, but she is going to flip when she runs into the uninvited Father of the Bride. In the meantime she is looking very cool and very confidant and very beautiful. She is starting to introduce some Mother of the Bride elements into her wardrobe already with this sleeveless, pleated, beaded collar blouse. This is a good look for Brooke. Here are some similar versions:
6.19.12 Update, found the Real Deal. Available in beige, but also cobalt and black at Farfetch.com