The grid kid concept proved a hit at the Season 3 finale in Montreal, prompting Formula E CEO Alejandro Agag to say they would remain for all future races.
They include Kelly Brook, Jodie Marsh, Emma Noble, Melinda Messenger and Nell McAndrew.
When asked if she thought grid girls were viewed as sex objects, Hallam responded, "Not at all".
A Broncos spokesman said its cheerleaders were definitely a part of 2018 match days, as they had been for the last 30 years.
"While the practice of employing grid girls has been a staple of Formula One Grands Prix for decades, we feel this custom does not resonate with our brand values and clearly is at odds with modern day societal norms. We all shout about the vote and the ladies who fought for it and I want us all to remember that" she declared, while also noting that her grid girl experience gained her other modelling assignments.
Darts took a similar decision this month, banning the women who walk on with the players before matches.
After F1's recent ban on grid girls many feel MotoGP should follow suit, though not everyone shares that sentiment..
Big Match Preview: Espanyol v Barcelona
The former Liverpool star hit the bar in the first half before Gerard Moreno's header gave the hosts the lead midway through the second.
"If we don't do something to stop this where will it end?"
Vicky Valdazo, boss of a Spanish modeling agency that has supplied grid girls to promoters in the past, told Marca newspaper: "It's stupid".
The 41-year-old said the sport had entered a new era.
"It's upsetting that it has given in to the minority to be politically correct", she said. In Austria we've had children going on to the drivers' trailer and that has been criticised. May as well just get use to your children's gritted teeth every time you open your fat, opinionated mouth on anything. This is not doing any favors to F1 and especially not for women. They were smartly dressed.
The girls will be replaced by stars from juniour karting championships, and will be hand-picked by national motorsport authorities. "I can't see", the F1 billionaire said, "how a good-looking girl standing with a driver and a number in front of a Formula One auto can be offensive to anybody."And perhaps there might even be a rethink, now he's made clear - at least, to anyone unversed in the sport - how critical they were to its operation".
"Grid kids" were used at the finale of Formula E's third season at Montreal past year, with the series saying it would continue the practice beyond that race.