Remember that picture 

Royal adoption? 

Well this is the Equestria Girls Verson 
So here's the Story Line

*Celestia And Joey Approache the mane 7*

Celestia: Girls, I'd like You to meet My new Adopted Son, Josephus Starcolt Jr. He'll Be Enrolling here At  the JR high level of Canterlot High

Joey: Hi, it's Nice to meet You

Rarity: Oh Why he's so adorable!

Sunset: Were so pleased to meet you I'm Sunset Shimmer and these are my friends; Twilight Sparkle, Rainbow Dash, Fluttershy, Pinkie Pie, Applejack, and Rarity.

Feel Free to continue the Script in your comments Below!

Celestia- vignette1.wikia.nocookie.net/m…

base- orig13.deviantart.net/18b6/f/2…

background annaewing.geek.nz/images/pages…