Katy Perry became widely famous in 2008 , when her single “I Kissed a Girl” and the album One of the Boys broke through internationally.

Quick Scoop: When did Katy Perry become famous?

  • Katy Perry’s true mainstream breakthrough came in 2008 with “I Kissed a Girl,” which hit number one in multiple countries and put her on the global pop map.
  • The song was the lead single from her album One of the Boys , released in 2008, which sold millions of copies and cemented her as a major pop act.
  • Before that, she had a gospel album (Katy Hudson , 2001) and years of label setbacks, but these did not bring her widespread fame.

Mini timeline

  1. Late 1990s–2001:
    • Releases Christian/gospel album Katy Hudson (1999/2001 era), which fails commercially and stays under the radar.
  1. Early–mid 2000s:
    • Moves to Los Angeles, changes her stage name to Katy Perry, signs and gets dropped by multiple labels while trying to break into mainstream pop.
  1. 2007–2008:
    • Signs with Capitol Records; releases EP Ur So Gay (2007), gaining some niche attention.
 * In 2008, releases “I Kissed a Girl” and _One of the Boys_ – this is when she truly becomes famous worldwide.

In simple terms: when people ask “when did Katy Perry become famous,” they almost always mean the 2008 breakout with “I Kissed a Girl” and One of the Boys.

Information gathered from public forums or data available on the internet and portrayed here.