F1 LEGEND Jenson Button's model ex-wife Jessica Michibata has been arrested for allegedly possessing MDMA.
The model was detained by Japanese police after the psychoactive drug was found a package sent to her hotel room in Tokyo.
Michibata, 38, is being held on suspicion of violating the narcotics special measures law, according to the Metropolitan Police Department (MPD).
She denies the allegations.
The drug was allegedly discovered inside the parcel by customs officers when it arrived in Japan from overseas.
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Police traced the address to a hotel and room where the model was staying alongside another person.
The other individual has been described as an "acquaintance" of Michibata, reports Mainichi Shimbun and The Japan Times.
Michibata, a mum-of-one, is currently living in the United States but was born in Japan.
In a statement, her modeling agency Revive said: "We apologise to everyone for any concern the reports of Jessica Michibata, which belongs to our company, have caused
"We are currently unable to contact Michibata directly and we are collecting information to confirm the facts.
"Since the incident is under investigation by the police, we will refrain from disclosing any further details."
F1 champ Button - who won the title in 2009 with Brawn GP - was in a long term relationship Jessica from 2008 to 2015.
They got married in December 2014 - but separated on good terms in 2015.
Button raced in F1 from 2000 to 2017 - winning 15 races and scoring 50 podiums.
