I bought lots of costumes on my ps3 for my LBP/LittleBigPlanet2 and IM only able to get some/a very small amount of the costumes I bought to put on my psvita from my ps3. The costumes I bought on my ps3 were.
Here's a list of the costumes which I was able to download and which I wasent.
Yes=I got it alright. No=Dident get.
200AD Costume Kit. Yes
Caver Costume. Yes
Final Fantasy:Cloud Costume. No
Got of War - Level Kit. Yes
Heavenly Sword-Level Kit. Yes
inFAMOUS Costume. No
Thor Costume. No
Uncharted 3: Drake`s Deception. No
Peacock Costume. No
And they are just some of the costume which i was able to see on the psvita market place which i know isent all of them which i bought on my ps3 littlebigplanet.