Wondering what staples Brittany keeps in her (fabulous!) purse every day? Look no further! "Today on DVF.com the new #DVFSecretAgent was released! Everyone always wants to know what handbag I carry, what beauty products I use, and generally what's in my bag! So here it is! Go get the IT bag of the season that everyone will be talking about! #DVF #HouseofDVF #Fashion," she captioned the Instagram pic.