In a follow-up tweet, she wrote, “I wish I could remember what made us laugh so hard.“The “These Boots Are Made For Walking” songstress also shared another photo of herself with Elvis and the late actor Bill Bixby, who passed in 1993. Alongside the snap she wrote, “Knowing Bix, he probably said something that cracked us up.“Many fans replied to the tweets, thanking the singer for sharing such sweet memories. One fan wrote, “thank you for sharing these with us Nancy!! Seeing you and Elvis having a laugh is just precious.“Another fan also commented, “That is so sweet. Thank you for sharing these memories. You are a treasure.“The two first met in 1960 after Frank sent his daughter to greet Elvis before making his first television appearance on the “My Way” singers show following his discharge from the military.