What's the Kennection? #71

What reality show queen attended her 1998 high school prom with Michael Jackson's nephew as her date?

What pianist's 1987 death from AIDS was originally pinned on a strict all-watermelon diet?

Besides Argentine president Mauricio Macri, who is the world's only other Argentina-born head of state?

John Stewart, with an 'h', isn't a former Daily Show host, but the first African-American to defend Earth as what DC Comics superhero?

What Lord of the Rings character's last words are "My Precious! O my Precious!"?

What's the "Kennection"?