Here is Twilight's 'What's This?' face from the Episode "A Bird in the Hoof". I was surprised that the vector was not made yet, so I made it for your enjoyment!
Here's a Video of vectoring Twilight Sparkle: [link]
Total Time: < 1 hour
Video Time: < 15 minutes
Program Adobe Illustrator
Ai file: [link]
My Little Pony: Friendship is Magic © Hasbro
Twilight Sparkle © Lauren Faust