As she continues her return to public life, Kate Middleton joked “I seem to have lost my family!” after she fell behind Prince William, Prince George, Princess Charlotte and Prince Louis on the royal family’s traditional Christmas Day walkabout.

Carole Middleton's role as a doting grandmother to Prince George, Princess Charlotte and Prince Louis has been hailed, by a royal expert, as the reason that the Prince and Princess of Wales are able to maintain an 'ordinary' family life.

Back in March, Princess Kate revealed that she'd been diagnosed with cancer. In October, the Princess of Wales announced she'd completed chemotherapy, and would be gradually returning to her official royal duties. As a result, Kate was extremely popular with royal fans who'd gathered to greet the Royal Family on Christmas Day.

That is a habit everyone in the royal family “teases” her about, but it is a sign that the old Kate is back. “There’s a real art to walkabouts, everybody teases me in the family that I spend far too long chatting,

The Princess of Wales wore an Alexander McQueen coat and her family wore varying shades of green and blue, weaving in a plaid pattern, for the holiday appearance.

Kate Middleton delighted onlookers, joining other members of the British Royal Family for the annual Christmas morning walk to and from their church service at Sandringham, in Norfolk. Kate was accompanied by her husband Prince William and their three children,

The royal family gathered at Sandringham to celebrate the holiday, even as Prince Harry and Prince Andrew sat out the festivities.

Kate Middleton showed off her sense of humor during the royal family's Christmas walk, as the Princess of Wales was caught joking with fans. "I seem to have lost my family," Kate quipped in a video after Prince William,

The Duchess of Cambridge has resumed her public appearances in recent months, most recently joining the Firm for their annual Christmas Day walkabout on Wednesday