Update: The exciting announcement was a competition according to a tweet on the official twitter account.
"We love each and everyone of you for your enthusiasm and passion for LBP but sadly we think you may of jumped the sack-gun on this occasion!
We have some very cool news to share today about an awesome competition though!:)"
Original: LittleBigPlanet is to get an exciting announcement later today according to its official Twitter account.
"There's no weekly LBP Update today but stay tuned to the @PlayStation Blog because we have an exciting announcement coming tomorrow instead! — LittleBigPlanet (@LittleBigPlanet) August 12, 2013," says that post.
It's already being suggested that the rumoured Sumo Digital developed LIttleBigPlanet 3 could be the subject of this 'exciting' announcement.
Media Molecule is currently working on its own secret project for PS4, while LBP 3 is rumoured to be in development for PS3, although there will be many who would also like to see it make an appearance on PS4.
We'll updated you once the announcement arrives.