Sensible necklines and knee length tea dresses are usually de rigueur for Pippa Middleton.
And a recent flashing at the tennis has served to remind the sibling to royalty why she may want to stick to the dress code in future.
Sitting in the Royal Box at Wimbledon, the 32-year-old sported a cream dress with red poppies which appeared sufficiently demure. That is until the Duchess of Cambridge's sister decided to cross her legs and inadvertently flashed her upper thighs.
Despite her momentary malfunction, the embarrassment seemed to do little to dampen her spirits on a day that signaled her return to London's social scene.
The party planner and gym buff has been keeping an unusually low profile lately and has recently moved in with her hedge fund manager boyfriend, James Matthew.