Fans were very happy to see Demi Lovato walk the red carpet at this year's Met Gala ... She chose to wear discreet make-up and wore her beautiful silky hair down without any added flair.

Doug Peters/PA Images via Getty Demi Lovato brought ... and they wore their hair back in a slick style, bringing just one strand to the front. Dimitrios Kambouris/Getty Lovato is set to perform ...

The singer, who partnered with the hair care brand to create an "anthem ... Insider and more. OGX Demi Lovato wants you to look and feel your best this summer. The singer/songwriter has partnered ...