Prince William and Princess Kate are stepping up. King Charles faced health issues. Kate battled and overcame cancer. William increased his royal duties. The royal couple is now focusing on their future as monarchs.

Donald Trump said that Prince William said his father King Charles is "fighting very hard" and that he "loves" his wife Kate Middleton when they met in Paris.

The Royal succession rules are clear, and that means the expectations for the members of the Royal Family, including King Charles, Queen Camilla, and the Prince and Princess of Wales, William and Kate Middleton are easy to understand even if you are not all that familiar with how royalty works.

Prince William attended the reopening of Notre Dame Cathedral on behalf of the king, which many viewed as an indication that he is readying for his future role.

Kate Middleton and Prince William are adjusting to their future roles as King and Queen amid personal challenges.

It's no secret that Kate Middleton will one day become Queen of the United Kingdom. According to People, King Charles III has "accepted limitations during his cancer treatment," allowing Prince William to take on more duties in recent months.