Lena became a big sister in March 2021 with the arrival of Zara and Mike's third child, Lucas Philip Tindall.
She is the Queen's seventh great-grandchild and is currently 22nd in line to the throne behind Mia.
The royal tot's christening took place at St Nicholas Church in Cherington, Gloucestershire in March 2019, with the Duke and Duchess of Sussex and the Queen in attendance. Mike was pictured kissing the top of his then ten-month-old daughter's head as the family left the service.
LISTEN: Lena Tindall hilariously interrupts dad Mike's podcast
Ahead of the Duke of Edinburgh's funeral in April 2021, Buckingham Palace shared a previously unseen photo of the late Prince Philip with the Queen and seven of their great-grandchildren at Balmoral in 2018.
The monarch holds baby Prince Louis, while Isla Phillips can be seen holding Lena, who was just a couple of months old at the time. Princess Charlotte sits in between her great-grandparents, while Prince George and Mia Tindall stand at either ends of the sofa, with Savannah Phillips behind.
Keep clicking for more photos...
Lena already appears to have a close bond with her cousin Savannah Phillips, the daughter of Peter and Autumn. Savannah sweetly held Lena as she toddled along at the Festival of British Eventing in August 2019.
Lena enjoyed a ride on mum Zara's shoulders at the 2019 Festival of British Eventing.
Photographers captured this sweet moment of Zara kissing her baby girl.
Lena giggled as dad Mike threw her up in the air and caught her at the Festival in August 2019.
Savannah and sister Isla doted on their baby cousin at the Festival, holding her hand as the trio walked along.
At one point, Savannah picked up Lena, who seemed to be enthralled by a toy rainbow-coloured cake slice.
Lena's already a daddy's girl as she sat happily on Mike's shoulders during a festival in 2019.
Mike is pictured with his daughters, Mia and Lena, as they cheered on mum Zara at the Whatley Manor Gatcombe International Horse Trials in September 2019.
Make sure you never miss a ROYAL story! Sign up to our newsletter to get all of our celebrity, royal and lifestyle news delivered directly to your inbox.