The Duke and Duchess of Cambridge, William and Kate, were the picture of happiness during their Christmas festivities at Sandringham this Wednesday. The Royal couple, who have married for 13 years, devoted time to engage with the public after the Christmas Day church service,

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.

So, what’s really going on between them behind closed doors? That’s what a lot of royal fans and critics can’t help but wonder when it comes to Prince William and Kate Middleton and their marriage. Luckily,

Prince William, now 42, gave Kate, also 42, the gift early in their courtship, when they were both students at the University of St. Andrews — where they met in 2001 and fell in love thereafter. As The Mirror put it, back in the early 2000s William “was far less confident in his gift-giving abilities,” and one gift left his then-girlfriend baffled.

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

Christmas Day was extremely busy for Kate Middleton and her family, as they all attended church at St. Mary Magdalene in Sandringham. While the Princess of Wales wore a festive green coat, and twinned with Queen Camilla,