Light wash jeans have been trending for a couple years now. Surely you saw something about the APC x Kanye capsule collection. Personally, I think it's weird for a 20-something to wear a three piece suit and cufflinks on a regular basis, but hey that's me.
Take her to a Goodwill Outlet and show her all of the clothes that are flying off the shelves into the hands of the less fortunate. Once they've been bricked and dropped off in Africa because they sat on the racks for weeks here in the US. [[SPOILER]] This is the stuff dreams are made of.