A rare sight indeed~

Big mac: apple tree
Applebloom/ Sweetie bell: https://www.youtube.com/user/Magpiepony
Applejack: https://www.youtube.com/user/GloryOfTheRainWings
Rarity: https://www.youtube.com/user/Raecheveycify
The Comic: http://coltsteelstallion.deviantart.com/art/A-rare-sight-432696508