Mischievous Mia is back! Zara Tindall's adorable two-year-old runs wild on the sidelines as her mother competes at Calmsden Horse Trials

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Her mother may be a silver medal-winning Olympic equestrian.

But it seems Mia Tindall is indifferent to Zara's sporting endeavours and would either read her iPad or play with family friends when her mum is otherwise engaged.  

At one point the young royal was engrossed in the gadget as she watched it from the comfort of her pushchair as Zara, 35, competed at Calmsden Horse Trials in Cirencester, Gloucestershire on Sunday.

Mia seemed more interested in taking off her companion's hat than watching the horse trials

The two-year-old stayed cosy in a quilted jacket with a furry hood and a pair of woolly tights

Mia was spotted engrossed in her iPad while her mother took part in a riding event on Sunday

Zara, 35, was competing at Calmsden Horse Trials in Cirencester, Gloucestershire

Until the excitement provided by playing on the sidelines became too much of a temptation. 

Wrapped in a cosy jumper and woolly tights, the two-and-a-half year old looked adorable as she was initially engrossed in one of her favourite programmes or games.

Her father Mike was nowhere to be seen but a - very patient - family friend appeared to be on babysitting duty.

Later on, Mia was spotted playing with him as he picked her up and tossed her over his shoulder.

Here comes trouble! Mia was spotted playing with the family friend as he picked her up and tossed her over his shoulder

Another friend of Zara's bent down to talk to the toddler who was too busy watching her iPad to talk 

Still in her pushchair, Mia's attention is caught by the goings on at the horse trials, which is one of the fixtures on the British eventing calendar

The energetic little girl looked tired out - and her friend seemed to be feeling the fatigue too

Mia shows her fun-loving side as she looks thrilled to be hanging upside down from her babysitter's arm

Mia was wrapped up against the cold in a padded jacket with a fur hood and stripey leggings under her sturdy dungarees

Little Mia clutches a black riding crop in her hands as her mother gets back in the saddle in Cirencester

She also had a great time swiping his cap from the top of his head while he indulged her. 

Calmsden Horse Trials, which runs over two days, featured show jumping, cross country and dressage events.

Keen equestrian Zara looked smart in the traditional dressage attire of tailored navy jacket, jodhpurs and helmet.

Mike Tindall appeared to have been unable to make the Cirencester event with his wife and daughter

But after a while it all became too much for even a toddler as confident as Mia who retreated the comfort of her pushchair

Zara is the envy of mothers everywhere who can't take their children into work with them as the royal does

Mia proved that few things are more fun than swiping someone's hat off their head and putting on your own

The smiling youngster grins as she gets scooped up into a big hug during her day at the Calmsden Horse Trials

She sailed over huge jumps as she took part in the fixture of the British eventing calendar. 

The royal was thought to be a strong contender for this year's Rio Olympics but was not selected for Team GB; in August 2014, she had qualified after jumping a perfect round at the Alltech FEI World Equestrian Games in Normandy.

Her performance on her her beloved gelding High Kingdom - with whom she won Olympic team silver at London 2012 - boosted her chances of competing for Team GB. 

The equestrian looked smart in the traditional dressage attire of tailored jacket and jodhpurs

 Calmsden, which runs over two days, featured show jumping, cross country and dressage

The Royal finished 11th overall and her score among the British riders was only beaten by world number one and team mate William Fox-Pitt.

Of her Olympic ambitions, Zara has said: 'I would love to go to another Olympics. I am very lucky to have gone to London. When we finished there, the next one (Olympics) seemed like forever away.

'It's the place to be. It is where you want to be, with the rest of the world's sport. It is a unique championship, and to be able to represent your country there is phenomenal.' 

Zara was thought to be a strong contender for this year's Rio Olympics but was not selected for Team GB; in August 2014, she had qualified after jumping a perfect round in Normandy

Giddy up! Back in 2012, Zara competed as Ms Phillips - but earlier this year she rode under her married name of Tindall for the first time

Zara's previous performance on her her beloved gelding High Kingdom - with whom she won Olympic team silver at London 2012 - boosted her chances of competing for Team GB

Of her Olympic ambitions, Zara has said: 'I would love to go to another Olympics. I am very lucky to have gone to London. When we finished there, the next one (Olympics) seemed like forever away'

Zara won silver at the London 2012 games on High Kingdom on his first four-star outing in more than a year.

But he missed almost all of last season after suffering a freak stable accident just before dressage at the Rolex Kentucky event in America last year.

Back in 2012, she competed as Zara Phillips - but earlier this year she rode under her married name for the first time.