Lime Green Nails

Demi Lovato wears lime green glow-in-the-dark nail polish with bright blue tips in her “Neon Lights” music video

Leigh-Anne Pinnock from Little Mix arriving for the Brit Awards 2013 at the O2 Arena in Greenwich, London on February 20, 2013.

Leigh-Anne Pinnock from Little Mix at the Bershka Flagship Store Launch Party at Oxford Street in London on November 11, 2012.

Jade Thirlwall from Little Mix at the Bershka Flagship Store Launch Party at Oxford Street in London on November 11, 2012.

Jesy Nelson had “LITTLE MIX” and “WINGS” written all over her multicolored nails while she performed an exclusive gig to launch The Union Jack pack of M&Ms at the M&M Store in London on May 23, 2012.

Pixie Lott arriving for the Roberto Cavalli party at Battersea Power Station in London on September 17, 2011.

Pixie Lott arriving for premiere of “The Art of Rap” at the Apollo Hammersmith in London on July 19, 2012.

Carly Rae Jepsen at the Capital Radio Summertime Ball, Wembley Stadium, London on June 9, 2012