Songstress Demi Lovato has revealed that she will make a special guest appearance on the upcoming second season of 'From Dusk Till Dawn: The Series', which her actor boyfriend stars in. 

She shared a photograph of herself kissing boyfriend Wilmer Valderrama on set (shown left) and confirmed the exciting news by captioning it with the hashtag '#fromdusktilldawn'.

Variety has reported that the 'Really Don't Care' sensation will appear in the finale episode of the 10-part season although no further information has been announced. 

Lovato then returned to Instagram and shared a snapshot of herself with the series director, Robert Rodriguez, and wrote: "Me and the boss @rodriguez... We worked #fromdusktilldawn... Get it?? Y'all ain't ready..."

During a recent interview with the Kyle And Jackie O Show on KIIS 106.5 FM, Lovato praised her boyfriend for being so supportive throughout her recovery from an eating disorder and other issues: 

"There were some moments when it was off and on when I was struggling with my issues. What he would do is he wouldn't enable me so he'd say, 'I can't be around if you're not going to get your stuff together.' It made me fight for it. He's a very, very good guy."

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