Which of these singers released the album "Prism" in 2013?

"Prism" is the fourth studio album by American singer Katy Perry. It was released by Capitol Records on October 18, 2013.

The album debuted atop the US "Billboard" 200 with 286,000 copies sold, becoming Perry's best opening week to date. The album also peaked at number one in Australia, Canada, Ireland, New Zealand, and the United Kingdom. "Prism" became Perry's fastest-selling album, the second best-selling album in Australia in 2013, and the second best-selling album released by a woman in the United States in 2013.

The album's success continued throughout 2014, ranking within the top 10 of the annual charts for 2014 in the United States, Canada, Australia, and New Zealand, and earned Perry a "Grammy Award" nomination for "Best Pop Vocal Album" at the 57th "Annual Grammy Awards".

"Roar" was released on August 10, 2013, as the album's lead single and topped the "Billboard" Hot 100. "Dark Horse" was released on December 17, 2013, and also reached number one on the "Billboard" Hot 100.

Katheryn Elizabeth Hudson (born October 25, 1984), known professionally as Katy Perry, is an American singer, songwriter, and television personality. Perry is one of the best-selling music artists in history, having sold over 143 million units worldwide. She is known for her influence on pop music and her camp style, being dubbed the "Queen of Camp" by "Vogue" and "Rolling Stone" magazines.