Lucie Arnaz is shedding light on Desi Arnaz’s relationship with alcohol. The actress, 73, got candid about her famous father’s addiction while speaking with CBS Sunday Morning on June 15.

Desi Arnaz Jr. and Lucie Arnaz attend The Paley Center for Media presents "Tropicana Nights: A Salute to the Music of ‘I Love Lucy’" at The Paley Center for Media on Dec. 9, 2011, in Beverly ...

NEED TO KNOW Lucille Ball and Desi Arnaz's relationship was not at all traditional — nor did it start that way, as both were in relationships with other people In his book, Desi Arnaz: The Man ...