New York eatery Joanne Trattoria - which is backed by the Lady Gaga and run by her parents Cynthia and Joseph - was criticized on opening last Wednesday for its "clueless" waiters and "unspeakably fatty" food.
Food critic Steve Cuzzo wrote a damning review for the New York Post newspaper, entitled 'You'll gag on the food at Gagas.'
He blasted: "You don't expect a brand-new eatery to be running on all cylinders. But Joanne, owned by the pop superstar's parents, last night was running mainly on acrid-smelling burnt vinegar wafting intermittently through the raucous dining room.
"Clueless busboys wandered the floor, performing no other function than to pour tap water into sparkling."
The critic went on to slam the "overpriced" and "unspeakably fatty veal osso bucco", complained about a 50-minute wait for food and branded the grilled calamari as "the worst I've had in a lifetime of squid-mongering."
Despite his comments, Steve was lambasted for reviewing the restaurant on its opening night.
One reader hit back online, saying: "Who in their right mind goes to a restaurant on opening, let alone review it?"
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However, the critic insisted his review was justified because of the extent of the promotion Gaga - who was not present for the opening - and her parents had done in the lead up to it welcoming customers.
He wrote: "The Germanottas, [Art] Smith [chef] and Gaga herself, with the windiest hype machine east of the Pacific, have been trumpeting the joint for months. For Day One, couldn't they at least get some people who act like they've seen the inside of a restaurant before?"