Wearing a 70s ruffle shirt (have a matching maxi skirt somewhere for it) with AG grey skinny jeans (on sale here), vintage concha belt (try here), Preston & Olivia hat, and vintage boots.
Respect to Mr Ryan Gosling, a true style influencer who will now forever be known as the Prom King after he re-introduced a new generation of tux dudes to the power of the 70s ruffled shirt.