Is Demi Lovato getting married? Time will tell. Us Weekly reports that the 25-year-old songstress has fans on the edge of their seats, after posting a picture of herself wearing a wedding dress on Instagram and Twitter. The image did not include a caption, but featured the Grammy nominee in a strapless lace gown with flowers. Demi is reportedly single, having been romantically linked to celebs like Joe Jonas and Wilmer Valderrama in the past.