Core 7 Reference
Cheerilee ~ The Storyteller
Cheerilee loves stories and enjoys reading a new tale or sharing one with her friends. She has a great sense of humor and is always ready to share a laugh!
Cheerilee loves telling stories and working in her garden. She is curious about everything and just loves to share the things she learns... how a flower grows, how a pinwheel turns, how legends of Ponyville came to be. She is quite an excitable pony who always has something new to talk about, and she often has her friends just as enthusiastic as she is about every discovery. Cheerilee's favorite thing to do is use her knowledge to help her pony friends find a bright and "cheery" solution for any situation!
Note:
Cheerilee is believed to be a redesigned version of Cherry Blossom. Her colors are the same and her symbol is a modified version of Cherry Blossom's symbol.
There is also another pony named Cheerilee that was released as a Styling Unicorn pony, however she is completely different from the new Cheerilee.
extended story from kabillion.com