Royals rocking tartan: Kate Middleton, Meghan Markle, Duchess

The royal style set have looked prim and proper in plaid over the years, from Princess Anne and Zara Tindall to Princess Beatrice and the late Princess Diana

PICS: Times Kate Middleton And Meghan Were Style Sisters

All the Times Kate Middleton Wore Plaid

Meghan Markle & Kate Middleton Match The Queen's Style: Photos – Hollywood Life

Top Kate Middleton Royal Fashion Moments: PHOTOS

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Kate Middleton Matches with Meghan Markle with a Plaid Dress in Scotland

The Royals' Top Tartan Fashion Moments—From Kate Middleton to Meghan Markle

The Royals' Top Tartan Fashion Moments—From Kate Middleton to Meghan Markle

Stylist says whether Meghan Markle and Princess Kate 'copy' each other, Royal, News

Royals rocking tartan: Kate Middleton, Meghan Markle, Duchess Sophie and more looking perfect in plaid