Lewis Hamilton has welcomed a new four-legged companion almost a year after the death of his beloved bulldog Roscoe. The Formula 1 champion's golden retriever, Halo, made an adorable social media debut after girlfriend Kim Kardashian shared a cozy snap of the pup on Instagram. 📸 Getty, Instagram/kimkardashian #kimkardashian #lewishamilton #celebrity #f1 #roscoe