Red Bull boss joked that former colleague looked like a 'giant bogey' during his first outing in colours. Newey, 66, began his earlier this year and .
The legendary engineer is tasked with turning the Silverstone-based team into one capable of winning titles. Newey's prestigious career has seen him design 12 championship-winning cars across his time at , and more recently .
After spending 19 years spent working alongside Horner, he decided to . Aston Martin acquired his services, with billionaire owner Lawrence Stroll convincing him to come on board not only as an engineer but also as a shareholder.
Newey has been working behind the scenes on their 2026 car ahead of a change of regulations in the new year, but after , he travelled to Monte Carlo to observe the team's practices ahead of the on Sunday. His former boss, Horner, spoke to and the Red Bull team principal was asked about if he'd spoken to Newey in the paddock.
"It's great to see, I haven't seen him in green yet, he looks like a giant bogey," Horner joked over footage of Newey in his green polo shirt. "It's great to see, he's a racer.
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"I don't think he's missed ever a race at this track, even going back to his leave at McLaren but we'll catch up with him later, it's good to see him here."
Newey sat down for a number of interviews in Monaco and confirmed Horner's worst fears: Aston Martin are hoping to sign champion from Red Bull. "Max is clearly a phenomenal talent," he acknowledged.
Will Adrian Newey help turn Aston Martin into a title-winning team? Give us your prediction in the .

"And he's a supreme competitor. And part of that means that... Max likes to break things down to a simple equation, if you like, and that is, in his particular case, choosing the team that he believes can deliver the fastest car.
"So if we're ever to attract Max, the first thing we have to do is make a fast car. There's no point really pipe-dreaming about anything beyond that."
But Aston Martin have a long way to go after Newey admitted: "It's fair to say that some of our tools are weak. Particularly our driver-in-loop simulator.
"Ours needs a lot of work because it's not correlating at all at the moment. It is a fundamental research tool so not having that is a limitation. But obviously we've got to work around it in the meantime, and then sort out a plan to get it where it needs to be. But that's probably a two-year project."
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