LI gal’s ‘kill-shove’ trial in Oct.

Lauren Pazienza — the Long Island woman who allegedly shoved a beloved 87-year-old voice coach to her death on a Manhattan street — is set to go on trial for manslaughter in October, a judge ruled Tuesday.

Manhattan Supreme Court Justice Felicia Mennin set the Oct. 6, start date after chiding Pazienza’s high-profile defense attorney for apparently dragging his feet.

“I gave you almost a month” to file motion papers, Mennin told lawyer Arthur Aidala (above, with Pazienza) at the hearing.

Aidala protested: “I’m not ready to commit to a trial date. There’s thousands of hours of discovery we still haven’t gone through.”

“I’m going to give you a trial date and you can explain to me at that time why you’re ready or not ready,” the judge replied.

Pazienza, who is being held on Rikers Island, gave her parents a solemn nod when it was over.

The former event organizer and scion of a Long Island cesspool empire is accused of calling victim Barbara Maier Gustern a “b-tch” before shoving her to the ground in an unprovoked attack in Chelsea on March 10.

Aidala didn’t comment as he and his client left court.