Lucie Arnaz Luckinbill recently gave fans a rare ... Lucie mentioned in the caption that she was there to support her husband ...

In the caption, Lucie — who is the child of the late I Love Lucy stars Ball and Desi Arnaz, as is her brother — thanked her husband Laurence ... for the weekend as Larry is being tributed ...

Lucille Ball and Desi Arnaz's daughter Lucie Arnaz posted a sweet birthday message to her brother, Desi Arnaz Jr.

“Happy birthday to my soulmate and best buddy. My beautiful baby brother, Desiderio Alberto Arnaz IV,” Lucie Arnaz, 73, wrote in the Monday, Jan. 20, post. “He is one of a kind. Brilliant thinke ...