Work it, Nick! The 'Jealous' star gets in a quick workout... and takes an Instagram snap OBVS This image appears in the gallery:Nick Jonas Instagram: 22 Reasons You Should Follow The 'Jealous' Star 17. Work it, Nick! The 'Jealous' star gets in a quick workout... and takes an Instagram snap OBVS 22 images See the full gallery: Nick Jonas Instagram: 22 Reasons You Should Follow The 'Jealous' Star