Demi Lovato has become an advocate for the GLBT community in 2005.
Demetria Devonne Lovato ( [ ˈdɛmi_loʊ-ˈvɑːtoʊ ] or ; born August 20 , 1992 ) is an American singer , songwriter , and actress . She has also become an advocate for the LGBT community , and women 's rights .