Kim Zolciak and Brielle Biermann mourn the death of their friend who was killed on the run

Kim Zolciak and daughter Brielle Biermann mourn the sudden death of their friend who was killed in Atlanta

Kim Zolciak and her daughter Brielle mourn the tragic death of one of their friends.

Bravo stars posted tributes to their close friend Ethan McCallister, who died Saturday in a hit-and-run in Atlanta. He was only 28 years old.

“We will miss your huge smile, constant jokes, cowboy boots and infamous shirts,” Kim, 42, wrote in her Instagram post that included photos of Ethan and Brielle who they have fun together.

Defeated: Kim Zolciak and Brielle Biermann devastated after their good friend, Ethan McCallister, was killed on Saturday morning

Defeated: Kim Zolciak and Brielle Biermann devastated after their good friend, Ethan McCallister, was killed on Saturday morning

Longtime friends: Ethan was allegedly hit by a vehicle at 3 a.m. Saturday morning while walking on Piedmont Avenue and Lindbergh Drive in Atlanta, according to WSB-TV

Longtime friends: Ethan was allegedly hit by a vehicle at 3 a.m. Saturday morning while walking on Piedmont Avenue and Lindbergh Drive in Atlanta, according to WSB-TV

“You have always been the life of the party !! One of the most genuine, kind-hearted people I’ve ever met, “she said. ‘Always willing to help anyone anywhere. We love Ethan and I’ll make sure justice is done. ‘

Ethan was allegedly hit by a vehicle Saturday morning at 3 a.m. while walking on Piedmont Avenue and Lindbergh Drive in Atlanta, according to WSB-TV.

Police are still searching for the suspect who allegedly drove a gray Jeep Grand Cherokee Trackhawk and fled the scene of the accident.

Kim, 42, shared photos with friends as she spoke fondly of Ethan

Kim, 42, shared photos with friends as she spoke fondly of Ethan

Brielle, 24, shared a heartfelt message on her own account as she wrote, “Ethan … I can’t believe I’m writing this. I’m sick to my stomach. You are my happiness, my joy, my light in this very dark world … the life of the party and the sweetest soul I have been blessed to know.

‘You are my best friend. My heart. All for me. There will never be someone like you again. Never. You came into this world on a mission … to make people smile. You were damn good at that, too. There has never been a time when I didn’t laugh at you !!

BFF: Brielle was close to Ethan and recently went on vacation with him to the Bahamas

BFF: Brielle was close to Ethan and recently went on vacation with him to the Bahamas

‘I didn’t spend a separate weekend all year !!! How should I go anywhere without you? How should I laugh, smile, go to MIAMI OR DRINK 1942 WITHOUT YOU !? God, I love you ethan. I really do. I can not wait to see you again ‘

Brielle shared photos of friends, some from their recent trip to the Bahamas.

Kim and Brielle also asked for help identifying the driver and shared the connection with the McCallister GoFundMe family.

“I can’t wait to see you again”: 24-year-old Brielle shared a heartfelt message on her own account with a collection of memories

Falling stars: Brielle paid tribute to her friend with this quote

Falling stars: Brielle paid tribute to her friend with this quote

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