Gotta look good in prison!

President Trump’s former lawyer Michael Cohen began his last weekend of freedom making the rounds in his Midtown Manhattan neighborhood, getting a hundred-dollar haircut, some coffee, and lunch at Barneys.

Along the way came hugs and handshakes from Upper East Siders who passed him on the sidewalk or greeted him at his table.

There were no answers — just silence — to the big, Big House questions The Post posed before he turns himself in Monday for a three-year stint at the federal clink in upstate Otisville.

Are you ready for prison? Is anyone advising you on how to survive on the inside? Oh, and did you ever think, when you started working for Donald Trump, that you would wind up behind bars, and Trump would be, in the president’s words, “totally exonerated?”

Just silence on all that.

“Good morning!” Cohen cheerfully told a Post reporter and photographer as he left his apartment with his son, Jake, Saturday morning.

“Be careful, don’t trip,” he politely advised his little press corps as he and his son, a University of Miami undergrad, walked toward the nearby Viand Coffee Shop, for a quick cuppa. Next stop, haircuts.

The former “fixer” fixed himself up at Eddie Arthur Salon on Madison Avenue, where a men’s haircut starts at $95, by appointment only.

That’s very unlike the prison barber shop, where hair care is paid for by taxpayers, and walk-ins are welcome, though plenty of guards make sure you don’t walk out.

The spruced-up pair then headed to Madison Ave. and East 60th St., for lunch at the upscale Fred’s cafe on the 9th floor of Barneys.

There, they joined a small group of family and friends, and Cohen’s lawyer Lanny Davis, who told the Associated Press prosecutors had rebuffed Cohen’s repeated offers to dish on Trump’s alleged wrongdoing.

The only time he showed anger as he enjoyed his dwindling time as a free man, came after lunch.

He asked a photographer to leave his family alone, explaining, “Trump has already done enough damage to them.”