Demi Lovato and Max Ehrich are engaged: 'I knew I loved you the moment I met you'

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Photos: © Rachel Murray/Getty Images for Teen Vogue, Jared Siskin/Patrick McMullan via Getty Images

Demi Lovato and Max Ehrich are engaged: 'I knew I loved you the moment I met you'

Photos: © Rachel Murray/Getty Images for Teen Vogue, Jared Siskin/Patrick McMullan via Getty Images