Singer Katy Perry arrives at the grand opening of Britney Spears' two-year residency "Britney: Piece of Me" at Planet Hollywood Resort & Casino on December 27, 2013 in Las Vegas, Nevada.
(December 26, 2013 - Source: Ethan Miller/Getty Images North America) see more angles »

Katy Perry Diamond Studs

Katy Perry wore a pyramid stud along with a gold safety-pin earring at the grand opening of the 'Britney: Piece of Me' show.