Hoda Kotb this weekend, as the Today star shared the happiest of photographs with her social media fans.The mother-of-two took to her Instagram page to post a picture of herself with her best friend, fellow TV journalist Karen Swenson, and Karen's daughter Catherine.MORE: Hoda Kotb wows with unexpected hair transformation in before-and-after videoWATCH: Today's Hoda Kotb and Savannah Guthrie make big change to their showThe close friends were celebrating Catherine's graduation from St.