The 33-year - old was glamorous in navy as she arrived at Cheltenham . she has long had a penchant for racing and is a regular racegoer . She was all smiles as she entertained guests in a box overlooking the ocean . Wore a stunning custom - made dress by Irish designer Paul Costelloe . Was later joined by England rugby union husband Mike Tindall , 36 .
The 33-year-old was glamorous in navy as she arrived at Cheltenham . Zara has long had a penchant for racing and is a regular racegoer . She was all smiles as she joined friends in a box overlooking the course . Wore a stunning custom-made coat by Irish designer Paul Costelloe . Was later joined by England rugby star husband Mike Tindall , 36 .