The 31-year-old superstar never has a hair out place, so it was only a matter of time before a major makeup brand signed her up for a cosmetics launch...
Katy Perry sings with kids choir
The singer flies to LA for live performance
Perry flew for 13 hours, from Vienna, where she was touring, back to Los Angeles for a suprise appearance on Oprah Winfrey's show, Oprah's Ultimate After Oscar's Party.
The 26-year-old sang her single Fireworks with the PS22 children's choir.
After the show Katy met with husband Russell Brand to spend some quality post-Oscars time together before she flew back to Europe to continue with her tour.
Perry wrote on her Twitter: "Today was such a beautiful day. PS 22 & Oprah made ME feel like a firework... refocused me & reminded me of my purpose. Thank you."
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The 'We Found Love' singer has recruited a team of a-list stars to help out each week on her Styled to Rock reality show.