Shia LaBeouf has donned his paper bag once again, this time for an art installation.
The Transformers actor first wore the brown bag - emblazoned with the words "I'm not famous anymore" - to the premiere of his movie Nymphomaniac at the Berlin Film Festival, following a series of bizarre outbursts.
He has now put it back on for a performance art piece in Los Angeles which is titled #IAMSORRY.
It apparently refers to the plagiarism scandal Shia was recently embroiled in when it emerged that he had copied graphic novelist Daniel Clowes' work in a short film without crediting him for his work.
Shia previously apologised in a long series of tweets and even hired a plane to sky-write "I'm sorry Daniel Clowes" but there had been rumours he was about to take his apology a step further with an art piece.
The actor, 27, is taking part in the project for six days. A press release said: " Shia LaBeouf is sorry. Sincerely sorry. He will be in situ at 7354 Beverly Boulevard for the duration. Implements will be provided. Free admission."
The "implements" mentioned are apparently items that have meaning in the star's life, such as a whip associated with his film Indiana Jones And The Kingdom Of The Crystal Skull, a novel by Clowes and Transformers toys.
Before starting his installation, Shia had been tweeting the words "I'm not famous anymore" every day since the middle of January. He has now tweeted #IAMSORRY.
The actor has been raising eyebrows with his behaviour of late. Wearing the paper bag at the premiere came shortly after he had stormed out of a press conference for the film after confusing reporters by using a cryptic line once used by Eric Cantona. Asked a question about the sex scenes in director Lars von Trier's erotic film, he replied: "When the seagulls follow the trawler, it's because they think sardines will be thrown into the sea," before leaving.
And earlier this month it was reported that Shia refused to shower for weeks on the set of his Second World War drama Fury and was so determined to get fully into character as a soldier in the trenches that he even yanked out his own tooth.