Demi Lovato wears short sparkling manicure with spikes studs.

“Demi’s studded metal micro bead kit is soooo cool!! Love this look on her. Get all her nail kits at Ulta today! So much fun with @ddlovato @jillpowellglam @the_new_blacktv and @natskins today! “

Demi Lovato rocked black manicure with glittery purple accents.

Bella Thorne’s glitter nail polish

Demi Lovato’s short black nails were each accented with reverse french manicure red stripes and a small crystal.

“ilove @lisa_at_vip so much! you always do a superb job on my nails️ thank you so much! and I had to put OMG colors in the middle of course (a creation my mom, Ms. Lisa, and I came up with”

“Amazing spring nails by @jennynails thank you I love them!”

Lily Allen got each nail covered with different colored jewels for her performance at the Royal Albert Hall on April 1, 2014

Katy Perry had clear nails with neon yellow french tips for MOCA’s 35th Anniversary Gala Presented by Louis Vuitton in Los Angeles, CA on March 29, 2014

Demi Lovato added extra sparkle with some glitter blue nail polish and small studs.