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.

Kate Middleton, Princess Charlotte and more members of the British royal family came together for Christmas Day services in Sandringham, Norfolk, on Wednesday to celebrate the holiday. The Prince and Princess of Wales brought their three children to greet well-wishers for the morning’s festivities.

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