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/ Source: TODAY
By Eun Kyung Kim

The royal family is about to get a little bigger!

Queen Elizabeth’s granddaughter, the Olympic equestrian Zara Tindall, is pregnant with her second child, her press secretary confirmed to TODAY. The baby is due next spring.

Mike Tindall, Zara Tindell and their daughter Mia Tindall
Zara and Mike Tindall, along with their daughter Mia, at a farm festival in August 2016.Tim P. Whitby / Getty Images

Zara and her husband, former English rugby player, Mike Tindall, also have an adorable daughter, Mia Grace, who was born in January 2014.

Mia Tindall
Mia Tindall, 2, attending the Festival of British Eventing this past August, will soon be a big sister.Max Mumby/Indigo / Getty Images

Young Mia won hearts worldwide when she took part in a portrait taken with the queen in honor of the monarch's 90th birthday. The toddler is seen in the photo proudly clutching her great grandmother's handbag in both hands.

MORE: Queen Elizabeth holds Princess Charlotte in new photos by Annie Leibovitz

Zara is the daughter of Princess Anne, who also is known as Princess Royal. She won a silver medal in the equestrian team event at the London 2012 Olympics.

RELATED: Duchess Kate reveals Princess Charlotte’s latest obsession

The Tindalls have been married since July 2011. Their baby will be the sixth great-grandchild for the 90-year-old Queen Elizabeth and her husband, Prince Phillip.

Zara Phillips and Mike Tindall
Zara Phillips, at her July 30, 2011 wedding to Mike Tindall.AFP / AFP - Getty Images