Roberts recently went public with her 10-year relationship on her Facebook page, and on Monday she showed a picture of her girlfriend Amber Laign publicly for the first time.
The women attended Roberts' niece's wedding in Baton Rouge, La. over the holiday break.
Of the photo she said, "Next to me is my girlfriend, Amber, and my sister-in-law, Cynthia, and my brother, Butch. And it was a glorious, glorious time that weekend."
Roberts, who was treated for a rare blood disease in 2013, continued: ""My year-end post was just full of gratitude and just telling everyone all that I'm grateful for, including my girlfriend, Amber, who really loved me through a very difficult year.