Not much is known, but it has been rumored that she is Princess Cadence and Shining Armor's daughter.
It has not been stated if Princess Skyla will appear in the show at all.
It is unknown, but so far appears unlikely. It is believed that Skyla exists only as a toy.
It is not known. The only information known about season 5 is that it will have 26 episodes. No information has been released as to whether Skyla will appear in the show at all.
Yes, Princess Celestia, Luna, and Cadence will get their magic back since the main 6 defeated Tirek and have been rainbowfied to help Equestria receive their magic back. If you want to watch it you can on Youtube or Dailymotion
That is unlikely. She may become temporarily incapacitated or briefly appear to be dead, but remember that this is a children's show, so the writers would have a hard time getting away with killing one of the characters.
So far it has not been stated. Given that there are six keys, it is most likely that each of the six main ponies will have an episode in which she finds a key.
There are 26 total episodes in the fourth season of My Little Pony: Friendship Is Magic.
Yes. This has recently been announced.
Yes, Cadance will appear in the My Little Pony Friendship is magic episode Twilight's kingdom.
As of November 19, 2013 no mention has been made as to whether Princess Skyla will make any appearance.
Yes, the shining armor will appear in the My Little Pony Friendship is Magic episode twilight's kingdom.
No, it has never been announced or in any way suggessted that Justin Bieber will appear on the television show My Little Pony: Friendship is Magic.
It is possible that Pinkie Pie from My Little Pony Friendship is Magic becomes Princess of Pie someday. The writers have not divulged any spoilers for future storylines.
Yes, she became a princess in the season 3 finale.
No. She does not appear.
that will happen in the next series of my little pony
In my little pony books she is. But she came from the My Little Pony Friendship is Magic episodes originaly
No. Justin Bieber was never cast for the television show My Little Pony: Friendship is Magic.
My Little Pony Friendship Is Magic - 2010 Princess Twilight Sparkle Part 2 4-2 was released on: USA: 23 November 2013
So far there has been no mention of how Luna and Celestia came to be.