On a crisp spring afternoon, Alexander Graves, a self-made billionaire and one of Silicon Valley’s most renowned entrepreneurs, put the finishing touches on the guest list for his wedding. After years of making headlines for his fortune, sharp business mind, and string of high-profile relationships, Alexander was finally ready to settle down—once more. This time, he was marrying Cassandra Belle, a stunning model-turned-influencer with two million followers and a diamond engagement ring valued at more than many homes.