Prince William's family secret exposed in unseen footage: Surprising

Prince William's never-before-seen footage reveals his life's biggest secret, leaving fans in surprise.

The future monarch's heartwarming moment with his beloved daughter Princess Charlotte explains the true power of the family during a Christmas day walk on December 25.

He was caught on camera keeping a watchful eye on Charlotte, who was in her element on Christmas Day, but her father made sure to protect her.

Charlotte, 10, mingled with the crowds during family outing at Sandringham, displaying a future queen's confidence under the supervision of his dad.

She even earned comparisons to her great aunt, Princess Anne, for her approachability and friendly nature.

In a heartwarming clip, William is seen calling for Charlotte to hurry along. "Charlotte," the Prince was heard saying, as the youngster smiled for photographs with members of the public. "I'm coming," she replied, before catching up with her family.

While the video delighted royal watchers, another unseen clip from Christmas morning warmed the hearts of royal fans.

The clip shows William checking on his daughter's welfare, a move many parents will relate to.

The video, posted by X user @Royalbelle_, sees William across the path from Charlotte, watching on as she takes photos and calling out: "Charlotte, you okay?" With the youngster smiling back as she leans into the crowd.

Prince William can then be seen watching on proudly. A social media user shared the clip, captioning it: "Protective dad mode! Prince William checks his daughter is okay, and then beaming with pride as Charlotte poses for a photo with well-wishers."

It's not the first time that William has switched on his protective dad mode during public engagements. 

He is known for being a hands-on dad, prioritising his children's guidance and well-being.