Who's the Best Princess? was one of Dina's pony skits to be on YouTube. It was released on November 10, 2014.
Celestia, Luna, Cadance and Twilight all come to an argument on who is a better princess. It begins when Celestia is getting ready for the Summer Sun Celebration and steals Cadance's dress she was going to wear for her anniversary of her marriage with Shining Armor.
- Twilight Sparkle
- Shining Armor
- Applejack (supporting Twilight)
- Rarity (supporting Cadance)
- Pinkie Pie (chef)
- Fluttershy (supporting Luna)
- Rainbow Dash (supporting Celestia)
- This was made as a voting poll for fans to say which princess is the best.
- This has been one of the most popular skits Dina made.
- This leads to Luna's story on how she won.