Following the news of the death of Playboy founder Hugh Hefner, Kim Kardashian and Paris Hilton began texting each other fun memories, reminiscing of the good old days.

“Paris & I are reminiscing about the Playboy parties at the mansion & how much we love Hef. She’s [texting] me the perfect Hef emojis,” Kim wrote on Twitter.

Paris & I are reminiscing about the Playboy parties at the mansion & how much we love Hef. She’s texts me the perfect Hef emojis 👯👯👯👯👴🏼👯👯👯👯👯

— Kim Kardashian West (@KimKardashian) September 28, 2017

Kim was on the cover in 2007. She continued: “RIP to the legendary Hugh Hefner! I’m so honored to have been a part of the Playboy team! You will be greatly missed! Love you Hef! Xoxo”

Paris retweeted her post, and added: “So sad to hear the news about Hugh Hefner. He was a #Legend, innovator & one of a kind. We had so many fun & incredible memories together. I will miss him dearly. Rest In Peace my friend.”

So sad to hear the news about @HughHefner. 😢 #RIPHef pic.twitter.com/IQiEYhMfvf

— Paris Hilton (@ParisHilton) September 28, 2017