Prince William and Princess Kate have shared an adorable new portrait of Prince Louis as he celebrates his birthday.

Prince William and Kate Middleton shared a new royal portrait for their youngest child in honor of his 7th birthday.

Prince Louis shows he's getting his grown up front teeth in a new birthday portrait posted by Prince William and Princess Kate.

Prince Louis' new birthday portrait included a royal first for the little prince! All about what Prince Louis wore and its deeper meaning.