Ex-hooker may sing of gig for mayor donors

A FORMER high-end hooker at the center of a corruption scandal could testify against a big-time de Blasio donor and a cop he stands accused of bribing, according to new court documents.

Gabi Grecko traveled to Las Vegas in 2013 at the request of Jeremy Reichberg and Jona Rechnitz, both major contributors to de Blasio’s campaign, prosecutors have alleged.

Grecko allegedly performed “services” for their guests — including retired NYPD Deputy Inspector James Grant — aboard a private plane during the trip.

Reichberg is accused of lavishing gifts on Grant in exchange for favors, and the bribery trial against them begins April 30.

Prosecutors want a judge to keep defense lawyers from asking Grecko some questions about her past — including that she “reportedly starred in an adult movie” and “was photographed wearing a Native American headdress,” court papers reveal.

Rechnitz has already pleaded guilty to corruption charges and is expected to be prosecutors’ star witness against Reichberg and Grant.