One of the British royal family's most affable members, the husband of Zara Tindall, rushed towards 'noticeably tense' Beatrice and Eugenie to put them at ease, greeting them with smiles and hugs.
The Worcester-based eventing pro seems to share an especially warm relationship with Peter, with Stephanie describing him as 'the best big brother out there'.
Fondly renowned as the glue that binds the Firm together, the Prince of Wales is said to be keen to carve out a key position for Zara when he ascends the throne.
While royals have long been expected to maintain a picture-perfect appearance, many modern princesses are showing that confidence isn't defined by a full face of make-up.
A familiar face at the Cheltenham Festival, Zara Tindall is renowned for championing British fashion labels - and this year she impressed with a series of polished race-day looks.