Celestia, Mare of the Sun, the leader of the Team Awesome. Intelligent, and brave, but sometimes allow others to outsmart her. That tend to end up with Team falling into a trap, or some silly situations. But in the end she is the bravest of whole team. Loyal till the end.
Age on this picture - 12 years old. Why si she so big? Cuz she is an ALICORN. Her body is bigger, better suited for the power that is within her. And yes she has her amulet on her neck, the same crystal she later has in her crown.