Let’s go from left to right. The first is Flowersprout, daughter of Toola Roola and Coconut Cream from season 7, episode 14: “Fame And Misfortune”. Next is Princess Sunburn, daughter of Celestia and Sunburst. Beside her is Champion, daughter of Twist and Snails, Joystick, daughter of Sweetie Belle and Button Mash, and Loudmouth, daughter of Diamond Tiara and Rumble. In this photo, they’re all hanging out in the Canterlot Castle. All blocked cutie marks can be seen above or next to the pony.  
These characters belong to me. Do not use my characters without my permission. My Little Pony: Friendship Is Magic does not belong to me. No copyright intended.  
If you want the base I used, comment down below, but I did edit the base to fit these characters, so it’ll be different then this outcome.