Princess Charlotte celebrates 6th birthday with portrait taken by Duchess of Cambridge

How time flies. Princes Charlotte turns 6 on Sunday.

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A candid photograph taken by Kate Middleton, the Duchess of Cambridge, shows the young royal with a broad smile while wearing a floral dress, People reported.

The photo was taken this weekend in Norfolk, according to the BBC. The princess is fourth in line to the throne.

The photo comes after the duchess and Prince William marked their 10th wedding anniversary on Thursday by releasing a video of Charlotte and her two brothers -- George, 7, and Louis, 3.

>> Prince William, Duchess Kate share new family video on 10th anniversary

It showed the family at a beach and toasting marshmallows near their Anmer Hall residence in Norfolk, the BBC reported.

Last year, on Charlotte’s fifth birthday, the Duke and Duchess of Cambridge issued pictures of Charlotte helping pack and deliver food parcels and homemade pasta to locals during the COVID-19 pandemic, People reported.