Lady Louise Windsor and her younger brother, James, Viscount Severn, are the youngest of the Queen's grandchildren.
The Earl and Countess of Wessex's daughter shares a close relationship with her older cousins, Princess Beatrice and Princess Eugenie.
In this photo from 2013, Eugenie was seen putting her arm around her young cousin as they attended a Westminster Abbey service to mark the 60th anniversary of the Queen's Coronation.
Lady Louise was also given a role as special attendant at Eugenie's wedding in 2018.
MORE: Why Lady Louise Windsor has a big decision to make on her 18th birthday
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