There will never be an out and out confirmation of any pony being anything other than straight, it's too risky.
I thought she was male, due to the way she acts.
"I never thought I'd miss you Half as much as I do And I never thought I'd feel this way The way I feel About you As soon as I wake up Every night, every day I know that it's you I need To take the blues away"
Who is your favorite mane 6 pony? Fluttershy.
Who is your favorite background pony? Doctor Whooves.
Who is your favorite pony overall? Fluttershy
Have you watched the show? (answer yes or no) Yes.
if so have you watched all the episodes? (again answer yes or no) Yes.
Have you been to a MLP convention of any kind (you guessed it! just answer yes or no) No.