Demi Moore, other celebs Tweet reactions to Amy Winehouse's death

26 of 34: "Please tell me Amy Winehouse didn't die. Is this some sick joke?," Nicki Minaj wrote on Twitter, referring to British singer Amy Winehouse, who was found dead in her London home on Saturday, July 23. (Pictured: Nicki Minaj appears in a promotional photo from her official website, MyPinkFriday.com.) (MyPinkFriday.com.)