JEFF BEZOS’ mistress Lauren Sanchez and her estranged husband Patrick Whitesell have filed for divorce — the day after the Amazon billionaire’s divorce was finalized, Page Six has confirmed.

Sanchez and Whitesell both filed divorce petitions in Los Angeles on Friday.

Sources said that the couple had been separated for some time and were already negotiating their divorce before Sanchez’s affair with Bezos was made public in January.

The Whitesells worked with divorce lawyer Laura Wasser to mediate the split, and her name is listed on Lauren’s divorce papers. Both Sanchez and Whitesell filed exactly the same divorce petition, meaning there is no contest.

They are asking for joint custody of their two children and neither is asking for child or spousal support, Page Six has confirmed.

Although the Whitesells are wealthy, a source said: “Patrick has been generous, but Lauren is getting nothing in the realm of what MacKenzie [Bezos] has.”

Whitesell is co-CEO with Ari Emanuel at Endeavor, which is reportedly preparing to file paperwork for an IPO by the end of the year.

Page Six earlier revealed that Bezos and Sanchez had agreed to remain apart until both of their divorces were settled but remain in love and are planning a future together.

Benzos remains the world’s richest person on the Bloomberg Billionaires Index after the divorce, with a net worth of US$114 billion.(SD-Agencies)