Kathryn's close friend Danni Baird paid tribute to Kathryn's mother, writing on Twitter, "My heart is in pieces for Kathryn Dennis and the loss of her mother. She was the kindest, most encouraging soul. Please spread your love and support to KD, as she heals during this very difficult time. We’re here, boo."
Danni also commented on a family photo Kathryn shared on Instagram, "Love you to pieces, Kat. Your mom is so proud of [you]."
Other members of the Southern Charm crew sent their condolences to Kathryn and her family in the comments to the post, which featured a photo of entire Dennis family posing together at the December 2018 wedding for her brother, Luke Dennis Jr.
"Sending you allllllll the love in the world. KD I am so so sorry for your loss," Naomie Olindo wrote.
Kathryn's boyfriend, Hunter Price, also commented, "You’re the strongest, and most beautiful woman that I’ve ever been so lucky to love. Your mom will always be with you no matter what; just as I know she’s always been."
Even former Southern Charm co-star Landon Clements was left emotional by the loss, sending her condolences to Kathryn on Twitter, writing, "Thinking of you KD. So sorry to hear about your Mom, you are in my prayers."
Allison passed away on Wednesday, August 7 after "an extended illness," according to PEOPLE. She passed away at her residence in Moncks Corner, South Carolina, according to an online obituary posted by Dial-Murray Funeral Home. She was 59.