Chelsea Griffin and Kwame Appiah are over! The reality stars announced on Instagram on Friday that they are breaking up after four years of marriage. Along with a black-and-white picture of them hugging each other, Chelsea wrote in a statement: "Last week would have marked our fourth wedding anniversary. Out of respect for the life we shared, I wanted to address this moment directly with the community that has supported us over the years. It's heartbreaking to share that our marriage is coming to an end.