and she currently holds the record for most 5-million-selling singles in the United States, with six of her singles selling over 5 million (in order of release date: "Hot n Cold", "California Gurls", "Firework", "E. Its singles "I Kissed a Girl" and "Hot n Cold" both topped charts in Austria, Canada, Germany, and Switzerland, and have been certified quintuple platinum by the RIAA. 3's song "Starstrukk", and the second was a collaboration with Timbaland on "If We Ever Meet Again", from his album Shock Value II.
The album peaked within the top ten in the United States, Austria, Canada, France, Germany, and Switzerland. Both singles reached the top ten in Australia and the United Kingdom while the latter topped the charts in New Zealand.
When its singles "California Gurls", "Teenage Dream", "Firework", "E. Its singles "Part of Me" and "Wide Awake" both reached number one in Canada and New Zealand.
Her fourth studio album Prism was released in October 2013.
Prism became an international success, reaching number one in Australia, Canada, New Zealand, United Kingdom, and the United States.
Its singles "Roar" and "Dark Horse" both topped the charts in the United States and Canada.
In the United Kingdom, "Roar" also became her second song after "Firework" to sell over one million copies.
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