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 spends $50k on cooking lessons
The California Gurl has splashed out on home cooking lessons with chef Cat Cora.
Katy was at a charity auction after the Oscars, with proceeds going to Sir Elton John's AIDS Foundation.
The 27-year-old singer entered a bidding war with film producer Steve Tisch for the lessons at a viewing party, before the pair agreed to split the final $100,000 winning bid.
'Katy emptied her purse out jokingly for the cameras,' an insider reportedly explained, 'before she and Steve agreed to share the prize for $100,000.
'Katy got up and hugged him delightedly,' continued the source. 'She seemed a bit tipsy, but not messy at all.'
A number of stars turned out for the event, including Miley Cyrus, Vanessa Hudgens and Austin Butler.
California Gurl has been named as Billboard magazine's 'Woman Of The Year' for 2012.
Rihanna and Katy Perry are up for several awards at the 2012 music ceremony
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.