![from @amyymarie118 (Pete's mum) on IG, it's about Pete's sister Casey's birthday so happy birthday, Casey :)! : r/petedavidson from @amyymarie118 (Pete's mum) on IG, it's about Pete's sister Casey's birthday so happy birthday, Casey :)! : r/petedavidson](https://preview.redd.it/3xs5rfspra281.jpg?width=640&crop=smart&auto=webp&s=90a2d9bf1cf3a8f140bb418412642d9ce807a5b0)
from @amyymarie118 (Pete's mum) on IG, it's about Pete's sister Casey's birthday so happy birthday, Casey :)! : r/petedavidson
![Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine](https://img.i-scmp.com/cdn-cgi/image/fit=contain,width=1098,format=auto/sites/default/files/styles/1200x800/public/d8/images/canvas/2022/07/25/54329bd9-543a-4fb3-bac6-0bec412bf4bb_53d7fac5.jpg?itok=ScTszWme&v=1658760999)
Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine
Pete Davidson Takes Sister Casey to Knicks Game After Emily Ratajkowski Is Spotted Kissing Artist Jack Greer
![Pete Davidson's Date to the Knicks' Christmas Day Game Was His Sister Casey!: Photo 4875972 | Casey Davidson, Pete Davidson Pictures | Just Jared Pete Davidson's Date to the Knicks' Christmas Day Game Was His Sister Casey!: Photo 4875972 | Casey Davidson, Pete Davidson Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2022/12/davidson-knicks/pete-davidson-knicks-game-with-sister-casey-05.jpg)
Pete Davidson's Date to the Knicks' Christmas Day Game Was His Sister Casey!: Photo 4875972 | Casey Davidson, Pete Davidson Pictures | Just Jared
![Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine | South China Morning Post Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/d8/images/canvas/2022/07/25/54329bd9-543a-4fb3-bac6-0bec412bf4bb_53d7fac5.jpg)
Who is Pete Davidson's little sister, Casey Davidson? Kim Kardashian and Kaia Gerber like her Instagram posts and Ariana Grande copied her tattoo, but she leads a low key life studying medicine | South China Morning Post
![SNL' star Pete Davidson is proud Staten Island bro: Tweets support for sister's basketball skills - silive.com SNL' star Pete Davidson is proud Staten Island bro: Tweets support for sister's basketball skills - silive.com](https://www.silive.com/resizer/qbJh2QWSkQpvsBk888rU12mK4tU=/1280x0/smart/advancelocal-adapter-image-uploads.s3.amazonaws.com/image.silive.com/home/silive-media/width2048/img/entertainment_impact_home/photo/16581436-large.jpg)