Princess Eugenie has shared an adorable first glimpse of Princess Beatrice's daughter Sienna Mapelli Mozzi standing next to her son August Brooksbank.
The cute picture was taken at London Zoo.
Strawberry-blonde Sienna is standing next to her cousin August as they watch a penguin swim.
Posting a series of photos to celebrate Earth Day, Princess Eugenie wrote: "August and his cousin Sienna love going to the London Zoo.
Strawberry-blonde Sienna is standing next to her cousin August as they watch a penguin swim.
Princess Eugenie
"It's part of the Zoological Society of London, a global wildlife conservation charity that helps to restore habitats and protect wildlife.
"Every time you visit you are supporting their work."
In January, Princess Eugenie announced that she is expecting her second child this summer.
The royal made the announcement on Instagram, posting a picture with her son taken by her husband James Brooksbank.
In the photo August Brooksbank is hugging Princess Eugenie's stomach as she beams.
Princess Eugenie wrote on Instagram: "We're so excited to share that there will be a new addition to our family this summer."
The baby will be 13th in line to the throne.
Princess Eugenie and Princess Beatrice were seen together on an outing in Notting Hill over the weekend.
In January, Princess Eugenie announced that she is expecting her second child this summer.
PA
Prince Andrew's daughters visited a pub with several celebrity friends.
The sisters were joined by Piers Morgan and James Blunt.
Princess Eugenie appeared to leave the venue shortly before the rest of the group, according to the Daily Mail.
Princess Beatrice and Princess Eugenie are both expected to attend King Charles's Coronation next month.
