Pippa Middleton arrived at Cheltenham in a striking yellow coat and Cossack hat, but it was the name of the bachelor on her arm that got people talking.
Accompanying her was wealthy banker friend Tom Kingston, who has frequently attended sporting events with her in the past.
The pair were first spotted together in November 2011 at the ATP tennis finals at the O2 arena in London.
Middleton yesterday wore a custom-made mustard yellow Katherine Hooker London coat, which costs £815 (€945), with a brown fur Cossack hat.
Katherine Hooker is a known favourite of her sister, Kate, who wore one of the designer's coats, teemed with a fur hat, to the same races in 2006.
Russian-style hats and fur coats have been a major trend at the Cheltenham races.
Middleton arrived at the Gloucestershire course in time to watch the afternoon's events.
The part-time party planner has recently returned from a ski marathon in Switzerland.
She has been romantically linked to Mr Kingston, a former banker who has also worked at procuring the release of hostages in Iraq.