And now the whole world knows it. Yeah, like he would have owned up it nobody called him on it. riiiight...
"
Transformers star 
Shia LaBeouf 's efforts to, er, transform himself into something other than an actor seem to have landed him in a bit of hot water. 
The short film 
HowardCantour.com, which LaBeouf directed and debuted at the Cannes Film Festival in 2012, became available online on Monday, Dec. 16. 
Soon after, 
Buzzfeed pointed out the striking similarities between the short film and a 2007 comic titled 
Justin M. Damiano written by 
Daniel Clowes, both in terms of story and dialogue." 
Linky 
here
And, here's a snippet from that linked 
Buzzfeed article that shows this is not the first time he's been caught plagerizing.  "LaBeouf has been 
accused of plagiarism before, taking blocks of quotes from an 
Esquire article and pasting them into an email he sent Alec Baldwin that he leaked online"