Kate Middleton, Catherine, is the Queen Consort in waiting and will inherit the title after Camilla, the wife of King Charles III. Kate has been married to Prince William since 2011. Meghan Markle married Prince Harry in 2018. The two women being married to the famous royal brothers has caused years of speculation on their relationship and how well they get on, further fuelled by Harry's revelations in his memoir, Spare. We look at the relationship timeline of Kate and Meghan.