The Outdated Royal Protocol Meghan Markle Just Smashed

The Duchess proves she plays by her own rules.

Meghan Markle left everyone a little shook with her surprise attendance at The Fashion Awards in London on Monday night.

The 37-year-old was there to present Givenchy's Claire Waight Keller -- the woman behind her wedding dress -- with the Womanswear Designer of the Year award.

READ MORE: Meghan Markle Shows Off Her Growing Baby Bump At Fashion Awards

At first glance, Meghan appeared every inch the perfect royal by wearing a conservative one-shoulder black floor-length gown which accentuated her growing baby bump.

But, on closer inspection, it appears the former TV star actually broke a major royal protocol by wearing a dark shade of nail polish.

Bold nail colours are generally considered a big 'no-no' for anyone in the royal family, that's because The Queen doesn't really like them. According to OK! Magazine, Her Maj's favourite shade is Essie's Ballet Slippers -- which is a pale pink.

It's an unspoken rule by which The Duchesses of Cambridge and Cornwall have both been abiding.

Kate Middleton's usual manicure. Source: Getty

Not Meghan.

Instead, the royal rebel decided to don a very vampy manicure look, wearing what appears to be a dark eggplant shade, which perfectly complimented her long black gown.

READ MORE: Meghan Markle's Givenchy Wedding Dress Is Everything We Hoped For

Meghan rocking those vampy nails. Source: Getty

And people loved it.

What a mood.

Feature Image: Getty