Inside the issue, Demi talks about her past struggles with drug addiction and how boyfriend Wilmer Valderrama has stuck by her side even in her toughest times. They definitely have weathered some storms, as she notes she's "seen a lot of s**t" in her days, adding, "S**t people don't know about."
Demi also explained something we've always been curious about - how Wilmer is such good friends with Demi's ex-bf Joe Jonas (and her pal Nick Jonas, too). Turns out, it was pretty strange at first.
She explained, "Nick and Wilmer get along great - Joe and Wilmer too. It's weird. In the beginning, I was like, 'Why the f**k are you friends with Joe?' He was like, 'He's a cool guy.' Yeah, I know. I dated him."
Best. Answer. Ever.
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Gallery | Demi Lovato Through the Years