Kate Middleton's Pregnancy Hair Trick Is Actually Genius — and Very Sneaky!

At an event in London, Kate's hair changed in a way only beauty junkies would notice. To the naked eye, everything's the same (she's rocking her classic blowout and midlength strands), but take a second look and you'll notice that the Duchess has let a few of her gray roots show. While we were all cheering on the Duchess for living her best life and ditching her touch-up appointment, she was quietly expecting Princess Charlotte. We would learn the news one month later on Sept. 8.