'In a sea full of fish, we caught each other': Metallica frontman James Hetfield proposes to girlfriend while snorkeling with sharks James Hetfield got engaged to his long-time partner, Adriana Gillett, while diving with sharks. 15 March 2026 Metallica frontman James Hetfield proposed to his longtime girlfriend Adriana Gillett while underwater snorkeling with sharks. James Hetfield asked his partner to be his wife while swimming with sharks The 62-year-old thrash metal legend took his 46-year-old partner diving with whale sharks on Friday the 13th (13.03.