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Beloved Chicago Fire star to exit show after upcoming 12th season – details

Kara joined the show in its third season and plays paramedic Sylvie Brett

CHICAGO FIRE -- Season: 10 -- Hanko Greensmith as Violet Mikami, Christian Stolte as Mouch, Alberto Rosende as Blake Gallo, Kara Killmer as Sylvie Brett, Jesse Spencer as Matthew Casey, Taylor Kinney as Kelly Severide, David Eigenberg as Christopher Herrmann, Joe Minoso as Joe Cruz, Miranda Rae Mayo as Stella Kidd, Daniel Kyri as Darren Ritter
Ahad Sanwari
Ahad Sanwari - New York
Senior WriterNew York
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Kara Killmer may just be leaving the Chicago Fire team behind! New reports state that the actress will be departing the show during its upcoming 12th season, HELLO! understands.

While there is no word yet on when the 12th season of the show will air since the WGA and SAG-AFTRA strikes ended, it is expected to begin production later this month.

The 35-year-old actress has played paramedic Sylvie Brett, Ambulance 61 since the season three premiere, appearing in 193 total episodes (plus several on sister shows Chicago Med and PD).

Chicago Fire teases emotional Casey and Brett reunion ahead of Jesse Spencer's return

In the show's 10th season, Jesse Spencer, who played Sylvie's boyfriend Captain Matthew Casey, left the show, with his character moving to Oregon.

Sylvie and Matthew begin a long-distance relationship, which she ends in the 11th season premiere. However, the season ended with Matthew returning to propose to Sylvie.

It is posited that the actress will appear in the first half of the upcoming season and depart part of the way through, fueling the idea that her departure could have to do with Sylvie's response to the proposal.

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Kara Killmer as Sylvie Brett © Getty Images
Kara Killmer is reportedly set to depart the show after season 12

While Kara herself hasn't responded to the news, she took to her social media with a series of photos reflecting on her time in the Windy City, leading several fans to speculate that yes, all the rumors are true.

MORE: Chicago PD's Jesse Lee Soffer apologizes to fans as he makes important plea: 'It's awful'

Alongside photographs that captured her times on screen and off, Kara penned: "These are the very first few pictures I took, or was tagged in, when I first came to Chicago. 

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett © Getty Images
Matthew proposed to Sylvie at the end of season 11

"Going up in the Squad 1 basket was my first exposure to the CFD – some of the best firefighters in the country! The view from my very first apartment was absolutely stunning and the beginning of a love affair with the gorgeous city of Chicago!"

RELATED: When will Chicago Fire return and what to expect from season 12?

Fans reacted with comments like: "PLEASE don't say that you're leaving!!!!!" and: "Sad to hear you are leaving. One of the best characters on the show," plus: "Not what I thought I would hear! But change is always a constant thing wish you nothing but the best although I'll be crazy if didn't say I will be sad!!" as well as: "I'm also crying right now. Please tell us you're giving us ONE more season & a proper send off!!! We love ya!!! You're actually one of my faves!!!"

View post on Instagram
 

However, there's some good news on the horizon. HELLO! learned last month that fan favorite lead Taylor Kinney, aka Kelly Severide, will be returning to 51.

SEE: Chicago Fire star Kara Killmer shares very rare picture of husband as she reunites with co stars amid season delay

After taking an extended leave midway through season 11, it is understood that he is being written into the first few episodes of the show's upcoming 12th season.

Christian Stolte as Randy Mouch McHolland, Taylor Kinney as Kelly Severide, Miranda Rae Mayo as Stella Kidd in Chicago Fire© NBC
It is reported that Taylor Kinney may return in season 12

It remains unclear if he will return for the entire season or just the first batch of episodes. 

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