Ariana Grande [1] attended the American Music Awards [2] in LA on Sunday night with the best plus-one ever: her grandma, whom she calls Nonna. In addition to dancing in the audience with her adorable date, the "Focus" singer gave her a special shout-out after winning the award for best female pop/rock artist. Ariana, who kissed her Nonna on the cheek before taking the stage, quoted her grandmother in her speech, saying, "'Ariana, I went on the computer. I voted, so I think you'll win.'" The duo then posed for sweet photos while they enjoyed the rest of the show. Keep reading to see more of their fun night out!