The definitive account of the romance, marriage, and enduring bond between Prince William and Kate Middleton, told by #1 New York Times bestselling author Christopher Andersen and updated with a new chapter and photographs marking the birth of their son, Prince George of Cambridge. Destined from the beginning to become one of the most celebrated unions of the 21st century, William and Kate forged a love story shaped by privilege and pressure, devotion and sacrifice. He was the charismatic prince raised in the shadow of tragedy and duty; she was the confident, grounded young woman who won his heart and earned the respect of a global public. Drawing on deep reporting and insider insight, Andersen reveals the private moments behind their famously guarded relationship—from their early days as university students, through public breakups and reconciliations, to the forces that tested their commitment and ultimately strengthened it. The book explores William’s lifelong bond with his mother, Diana, Princess of Wales, the intense scrutiny surrounding Kate’s transformation into a future queen, and the challenges posed by royal tradition, scandal, and expectation. Part fairy tale, part family drama, and part political portrait of the modern monarchy, William and Kate is ultimately the story of two people who found each other against extraordinary odds—and whose love reshaped the future of Britain’s royal family.