We've known Kate Middleton to come up with many nifty hacks, from recycling her outfits to how she hides her bra straps and VPLs. And another centres around how the Duchess stops her shoes and tights from slipping, and it's quite the trick! Kate, 39, can often be seen donning stylish outfits while out and about, and no stone is left unturned when it comes to the attention to detail put in to each outfit.