Formula 1 fans were left star-struck after spotting Mercedes driver Andrea Kimi Antonelli and McLaren's Oscar Piastri at Kuala Lumpur International Airport on Monday (Sept 28), ahead of this weekend's race at Sepang International Circuit.Audi driver Gabriel Bortoleto was also reportedly spotted, along with engineers and staff from teams including McLaren, Red Bull and Audi.Netizens took to social media to share their excitement, with pictures an…