If you went on Twitter, Instagram, or, well, the internet in general this week, chances are you've caught a glimpse of 21-year-old Ella Emhoff and her widely-praised inauguration outfit. The coat! The hair! The glasses! The instant fashion star, and her brother Cole, are the stepchildren of none other than history-making Vice President Kamala Harris. And while she may now be making frequent appearances in DC, Ella is a certified Brooklyn cool girl. And as it turns out, she already knows a thing or two about fashion. Click through for everything you need to know about the Second Daughter of the U.S., but the First Daughter of style.

[Photo via @coleemhoff]