Dami Lovato

Her full name is Demetria Devonne Lovato.
She is 16 born 20.8.92... She is a Singer-Songwriter, actress, musician, activist, The X Factor USA judge, and dancer. She play instruments and that is: Vocals, guitar and piano.
She is now date Niall Horan

Now you should see her autograph.

Here come the picture of Niall and Dami