Casey Affleck Welcomes Jennifer Lopez To The Family After Missing Wedding To Ben: 'You Are A Gem'

Casey Affleck is giving his new sister-in-law, Jennifer Lopez, a warm welcome to the family! On Sunday, The "Manchester by the Sea" star took to Instagram to celebrate his brother, Ben Affleck's new wife, JLo, despite skipping their wedding over the weekend. "Good things are worth waiting for…Welcome to the family. Get ready for some real dysfunction! Kidding. I am kidding. Jen, you are a gem. We love you so much," he captioned a 2002 photo of himself with the couple.