All about Starlight Glimmer: 
Starlight Glimmer did not make a good first impression on the ponies - taking cutie marks from the village ponies- and being sneaky and dishonest. But Princess Twilight Sparkle believes the magic of friendship…and that everyone deserves a second chance - even Starlight Glimmer!
 
Magic: 
Starlight Glimmer has powerful magical abilities. She can create magical barriers, distracting lights, and shoot powerful blasts of magic.
 
Cutie Mark: 
Starlight’s real cutie mark is a purple and white star and two glimmering blue streams.
 
Mysterious Past: 
Nobody knows where Starlight came from but over time more is sure to be revealed about this powerful pony…
 
True Friends: 
When the ponies first met Starlight Glimmer, it seemed she had lots of friends in the village. But Starlight showed that she was not a true friend. Twilight Sparkle hoped that one day Starlight would understand the true happiness that friendship can bring.
 
Appearance:  
Starlight Glimmer is a unicorn, like Rarity. She has a lavender coat and a purple mane with teal streaks running through it. Her purple/Persian blue eyes flash wildly when she is angry.