Kate Middleton and Prince William posted photos of their mothers on Instagram to celebrate Mother's Day in the United Kingdom.The Duke and Duchess of Cambridge shared a previously unseen picture of "Carole Middleton with her daughter Catherine."They also posted a picture of Princess Diana with both of her sons.Duchess Kate and Prince William are honoring Mother's Day in the U.K.
by posting photos of their moms on Instagram.As well as sharing gorgeous photos of Princess Diana and Carole Middleton, the Kensington Royal Instagram feed also shared a previously unseen pic of Princess Charlotte with her mom.