The 37-year-old singer - who split from the actress earlier this year - has decided to accept his marriage of eight years is over and is now looking to the future, TMZ reports.
However, while a lawyer is working on separating their financial and physical assets, Robin in not yet ready to file for divorce.
The first sign Robin was ready to move on came with the news that they have decided to put their marital home up for sale.
The 'Blurred Lines' singer and the 'Baggage Claim' actress - who have been together for almost 20 years have a four-year-old son, Julian, together - split in February amid reports he had cheated on her.
And now they have put their exclusive Bird Street three bedroom, three-and-a-half bathroom home, which was first bought by Robin's father Alan Thicke in the 1990s and gifted to the couple in 2005 after their wedding, up for sale for almost three million dollars.
The decision to put the house on the market comes after many embarrassing attempts by Robin, 37, to win back his spouse, including naming his latest album 'Paula' and making many public pleas for a reconciliation.
Take a look back at October's inaugural event.
The film is expected to continue without Mendes' involvement.