Upload

Loading icon Loading...

This video is unavailable.

Pinkie Pie - Happy birthday!

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to like I'm about to ruin Youtube's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to dislike I'm about to ruin Youtube's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to add I'm about to ruin Youtube's video to your playlist.

Loading icon Loading...

Loading icon Loading...

Loading icon Loading...

Loading icon Loading...

Ratings have been disabled for this video.
Rating is available when the video has been rented.
This feature is not available right now. Please try again later.

Loading icon Loading...

Advertisement
Loading...
Working...
to add this to Watch Later

Add to