Square Nails

Dinah Jane Hansen of Fifth Harmony arrives to the X Factor 2012 Final Four Party at Rodeo Drive on December 6, 2012 in Beverly Hills, CA.

Rihanna leaving the Corinthia Hotel in London, UK on June 25, 2012.

Rihanna arrives at the 55th Annual Grammy Awards at the Staples Center in Los Angeles, CA on February 10, 2013.

Rihanna arrives at the GQ Men Of The Year Party at Chateau Marmont Hotel on November 13, 2012 in Los Angeles, California.

Rihanna at the premiere of Universal Pictures’ “Battleship” at The Nokia Theater L.A. Live in Los Angeles, California on May 10, 2012.

Rihanna’s dollar bill nails with jewels at the 52nd Annual Grammy Awards at Staples Center in Los Angeles, CA on January 31, 2010.

Perrie Edwards from Little Mix arrives at Nickelodeon’s 26th Annual Kids’ Choice Awards at the USC Galen Center on March 23, 2013 in Los Angeles, CA.

Jade Thirlwall from Little Mix arrives at Nickelodeon’s 26th Annual Kids’ Choice Awards at the USC Galen Center on March 23, 2013 in Los Angeles, CA.

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

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