Nico Rosberg paid a visit to his good friend Roger Federer at Wimbledon where the Swiss will be gunning for his eighth title this aftrenoon.
Formula 1's reigning world champion was all suited up and looking smart as he entered the tennis sanctuary but forgot one small accoutrement detail: you need to wear socks at the All England Lawn Tennis and Croquet Club!
That's right, Wimbledon has its rules, as Lewis Hamilton painfully found out two years ago when he was barred from the Royal Box for not wearing a suit and tie.
Rosberg was fortunately alerted to the dress code mishap early on and quickly corrected the style faux-pas.
Retired rivers just let themselves go...