Kate Middleton and Prince William marked a fresh start by moving to Forest Lodge, as Adelaide Cottage became "a place of pain," royal biographer Sally Bedell Smith tells PEOPLE.

Kate Middleton is taking note of local U.K. communities taking part in her annual Together at Christmas event.The Princess of Wales holds a Christmas carol concert every year to celebrate

Today, the duo attended King Charles’ Christmas lunch at Buckingham Palace in coordinated holiday outfits. Princess Kate wore a bright red dress with a white polka-dotted motif by Alessandra Rich, while Charlotte, 10, opted for a velvet maroon dress with a collar.

Kate Middleton is reportedly "stepping up" with royal duties, including making major decisions about the futures of certain royals, in a bid to "streamline" the Royal Family.

She has whole vaults of heirloom royal gems from which to choose for important engagements, but Kate Middleton's favourite jewellery trend this year was one with a contemporary influence: her modern ring stack.

Kate Middleton wore the Cartier Halo Tiara for her 2011 wedding to Prince William. King George VI commissioned the 888-diamond piece in 1936 as a gift for his wife. The tiara, worth an estimated $1.3 million, hasn’t been worn again publicly since Middleton’s wedding.

Yesterday, Kate Middleton, Prince William and their three kids—Prince George, Princess Charlotte and Prince Louis—went for a Christmas car ride together. With William behind the wheel, the Wales Fam drove to Buckingham Palace for King Charles's annual Christmas lunch.

Catherine, Princess of Wales, has privately pledged unwavering support for Prince William as he prepares for what allies tell RadarOnline. com will be his far-reaching overhaul of the British monarchy,