Zara Tindall looked casual on Thursday as she attended the first day of the Burghley Horse Trials in Lincolnshire.
The 43-year-old is preparing to compete in the prestigious event in Stamford, which runs from today until Sunday.
Zara, daughter of Princess Anne, is a well-known keen horse rider and has even competed in the Olympic Games.
She presented a low-key appearance as she watched the show from the sidelines, wearing a navy vest and black fleece.
She also added an Equine America cap, as she is one of their sponsored riders and is known for using their products on her horses.
Zara Tindall looked casual on Thursday as she attended the first day of the Burghley Horse Trials in Lincolnshire.
Zara showed mixed emotions during the fittings, smiling one moment and keeping a cold expression the next.
She opted for a bare-faced look and decided not to wear any jewelry for the trials, which is one of several equestrian events she has competed in this summer.
The Burghley Horse Trials, held at Burghley House, Stamford, Lincolnshire, are one of the last events on the summer social scene and often attract large crowds.
The three-day event is a comprehensive test of a horse’s abilities, with dressage, jumping and cross-country events.
Burghley is one of only seven five-star events in the world, the highest level of eventing.
In 2003, Zara (mother of Mia, ten, Lena, eight, and Lucas, three) came second in the event.
The royal is a serious international equestrian competitor, having won a gold medal at the European Eventing Championships in 2005, as well as a silver medal at the World Equestrian Games in 2006.
Zara previously won a silver medal at the 2012 Summer Olympics as part of the Great Britain Eventing Team.
Zara displayed conflicting emotions during the fittings, one moment radiant and the next maintaining a cold expression.
She made a low-key appearance as she watched the show from the sidelines, wearing a navy vest and black fleece.
She takes after her mother, the Princess Royal, and her grandmother, the late Queen Elizabeth, as they both adored horses.
This comes after Zara looked ready for action on Wednesday when she attended the pre-horse trials inspection.
He seemed to be enjoying himself as his beloved horse Class Affair was inspected.
She was clearly in her element as she led Class Affair, as the two prepare to compete in the coming days.
The royal opted for a chic yet practical look, pairing a £295 navy Gina top from Fairfax & Favor with white skinny jeans and £145 white leather Boston sneakers, also from Fairfax & Favor.
Mother-of-three Zara pulled her blonde bob back into a low bun to prevent any strands from getting in her way as she reviewed Class Affair.
The royals looked ready for action on Wednesday as they attended a horse inspection ahead of the Burghley Horse Trials in Lincolnshire.
The 43-year-old daughter of the Princess Royal, who is known for being a keen horsewoman and has even competed in the Olympics, beamed alongside her beloved gelding Class Affair.
Zara was in high spirits ahead of three days of competition at the Burghley Horse Trials
The royal opted for a chic yet practical look, pairing a black top with a striking gold zip and bow with skinny white jeans.
As an accessory, she wore whiskey-coloured Monc Belleville sunglasses, an elegant wristwatch and gold hoop earrings, and added a cord.
And he was clearly in total harmony with his beloved horse, who was impeccably dressed.
Earlier, Zara was seen riding a bike as she arrived at the event and sporting the same look.
Zara and her rugby star husband Mike Tindall had to turn down the chance to holiday with the rest of The Firm at Balmoral Castle this year as she had already taken part in the competition.
Queen Camilla, King Charles, the Prince and Princess of Wales and the Duke and Duchess of Edinburgh were pictured driving to a service at Crathie Kirk last month.
The Wellington International Horse Trials took place over the bank holiday weekend of 24-26 August.
The smiling royal pulled her blonde bob back into a low bun to keep any strands out of the way as she perused Class Affair.
And he was clearly in complete harmony with his beloved horse, who was impeccably dressed.
Zara took time out from her veterinary inspection on Wednesday to take a phone call.
The royal opted for a chic yet practical look, pairing a £295 navy Gina top from Fairfax & Favor with skinny white jeans.
Zara appeared to be in good spirits and was seen gesturing and pointing during the fittings.
The royal athlete had arrived at the Burghley Horse Trials by bicycle.
Zara took the reins of Class Affair during the horse inspection at Stamford headquarters
A royal source told the Express:’Charles really wants Zara and the family to join him on the last Sunday in August for the festive service, but he understands that her horse competitions are extremely important to her.
‘Charles hopes that they (the Tindalls) can come the week before to help the rest of the family so that everyone can enjoy the picnics and walks planned on the estate.’
The source added that Mike and Zara’s children, Mia, Lena and Lucas, get along “incredibly well” with Wales’ children, George, Charlotte and Louis.
They added that there are “a lot of children” attending the holidays in Scotland this year, so the family is planning events suitable for both adults and youngsters to “keep everyone entertained”.