Katy Perry has been promoting the franchise several times: She appears singing her smash hit Hot N Cold in The Sims 2: Apartment Life's official trailer. In The Sims 3, the expansion pack Showtime has a Collector's Edition that includes her. As well, the stuff pack Katy Perry's Sweet Treats is a stuff pack inspired by her hairstyles and outfits from her music video Califonia Gurls, red carpets and some of her performances on stage. She also released promotional photos for the expansion packs The Sims 3: Supernatural (which includes a hairstyle that she wore in her video "Wide Awake") and The Sims 3: Seasons (which includes a pin-up hairstyle that she wore on her California Dreams Tour).
Katy Perry was once available for download on The Exchange, but at uncertain point of the time, she was taken down.
This character was made for promotional purposes and does not exist in the retail game.
Katy Perry Sim singing Hot N Cold in The Sims 2: Apartment Life
Katy Perry Sim in The Sims 3: Katy Perry Sweet Treats
Katy Perry Sim as a zombie dancing the Smustle
Katy Perry Collector's Edition Trailer
Katy Perry Collector's Edition Music Video
Notes
Katy Perry had a cat, named Kitty Purry, that was available on The Exchange. However, Kitty was taken down, along with Katy.
The hairstyle used on Katy Perry will be available if player buys The Sims 3: Showtime Katy Perry Edition, otherwise it will be replaced with another hairstyle.
Katy Perry Sim can be seen in Katy Perry's Sweet TreatsTrailer wearing the hairstyles, outfits and stuff that comes with the stuff pack.