They've been rock solid for a ridiculously long time
This image appears in the gallery:
The Ultimate Celeb OTP? 9 Reasons We Love Demi Lovato And Wilmer Valderrama
3. They've been rock solid for a ridiculously long time
The pair originally started dating back in 2010 but got properly serious in 2011, although they kept their relationship on the down low for a long time before they finally admitted they were a couple. Demi captioned this collage, "Here's to many more incredible years together. Happy Birthday my love.... I love you" Picture: Instagram
