Mercedes driver Kimi Antonelli celebrated his Belgian Grand Prix victory with a public birthday message for his father, Marco.<br>Antonelli, who started from pole position, secured his sixth win of the season at Spa-Francorchamps after fending off Ferrari's Charles Leclerc. Following his post-race interview, the 19-year-old signed the bottle of Moët & Chandon champagne with the message, "Happy ...<a class='more' href='https://www.motorsport.com/f1/news/kimi-antonelli-champagne-bottle-message-goes-viral-after-f1-belgian-gp-win/10840366/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>