Kate Middleton is a style icon for a lot of reasons, not the least of which is she knows what flatters her. The Duchess of Cambridge looks smart in coat dresses, kimonos, lace shifts–but almost always opts for sleeves (even on a certain big day). Moreover, the tan brunette looks great in cobalt blue, as the hysteria over her famous Issa engagement dress proved.

Middleton showed up to support the opening of the Treehouse Children’s Hospice in Ipswich, England today and looked radiant in Reiss:

That belt is driving us a little crazy but she has such good hair. Oh, also…

TWIST! TWIST! Kate purchased the £139 frock back around 2008 and lent it to her mother Carole Middleton in 2010 for Ascot (a horserace that requires such fascinators).

Look, this obviously is not news–we actually really like when famous people recycle clothes because they’re, uh, human. But we’re curious: have you ever swapped clothes with your mom? If so, send us proof because this seems strange to us!

(Photos via Getty)