So when they both stepped out wearing the same pair of shoes, we obviously needed to hunt them down (the shoes, that is).
Alexa was the first to be spotted in the slingback Mary Jane-style flats at Coachella, when she teamed them with a long, blue floaty dress. And lucky for us, the style maven made our search a lot easier when she shared a snap of the shoes on Instagram, letting us know that they're from Carven. Cheers, Alexa.
Then we saw Kate Bosworth wear them in NYC with a pair of wide-legged jeans and tan suede jacket. And Kate's clearly as enamoured with the flats as us, as we spotted her out the following day in the same pair, this time letting them live up to their full 60s potential wearing them with an A-line retro printed mini dress.
But if you're not keen on parting with the £280 it costs to buy them (although we reckon you'd definitely get your money's worth considering just how many outfits these patent slingbacks are going to go with), we've found the next best pairs for a snip of the price. You're welcome.