Prism Light Pendant - the last few are available now at £21
"Add a nu-rave vibe to your festival look with Tatty Devine's neon necklace. Wearing this, you can leave the glow sticks behind."
Halcyon Moon Pendant - dark - £25.50
"Wear this pendant with your most whimsical floral frock. Just add wellies or flip-flops depending on the weather."
See the rest of Jessica's festival picks over on Vogue.