Twitter Fail Of The Week(end): The Sun Tweets That Real Madrid Signs Christian Bale

Now, we don't follow football that closely. But even we realise that The Sun meant Gareth Bale when they tweeted this on Sunday evening:

The Sun swiftly removed the offending tweet - but not before plenty of tweeters had screengrabbed it, of course, and/or retweeted it:

( source )

What is the best fail you've seen on Twitter, FB, text, etc.?