Michelle Trachtenberg's friend revealed that the actress 'knew that death was a high possibility' before her tragic passing at age 39 on Wednesday in a since-edited Instagram post.

The ‘Gossip Girl’ alum was found dead in her New York City apartment on Wednesday

'Michelle was really rattled when Matthew died...even though he was troubled and struggled to stay sober, she just did not think it would happen,' a source told DailyMail.com.

Sarah Michelle Gellar, Taylor Momsen and Blake Lively are among those paying tribute to Michelle Trachtenberg, who died Wednesday

The ‘Gossip Girl’ actor was found dead in her New York City apartment on Wednesday

Gossip Girl ran for six seasons and had a huge fanbase

Gellar has broken her silence after co-star’s untimely death

Gellar has broken her silence after co-star’s untimely death

Noughties icon Michelle Trachtenberg was reportedly in talks to return to the reboot of a major TV show before her tragic death this week

There were several images of Sarah and Michelle. Some were candid and some were from their show Buffy. One included the late Shannen Doherty.

Gossip Girl and Buffy star Michelle Trachtenberg has sadly died at the age of just 39-years-old, and it was her beloved mother who made the tragic discovery that she had passed away

Michelle Trachtenberg, 39, was found dead by her mother about 8am on Wednesday in her apartment near Columbus Circle in New York City, months after having a liver transplant.

As a teenager she dominated screens, landing roles in high profile series such as Buffy the Vampire Slayer and Gossip Girl.

Michelle Trachtenberg was found dead at her home in New York on Wednesday, the actress was last publicly spotted dining out at a restaurant looking "frail" just days before her death

Kim Cattrall, who played Trachtenberg's coach in Disney's 2005 film, Ice Princess, was among those who paid tribute to the 39-year-old TV and film star, sharing a photo of the pair form the film on Instagram, writing, "Rest in peace sweet Michelle."

Michelle Trachtenberg's friend Amanda De Cadenet has shared details of a call they had while the actress was in hospital before her tragic death at the age of 39

The Gossip Girl star was a close friend of Princess Eugenie 's after the pair bonded while Queen Elizbeth II's granddaughter, 34, was living and working in New York in 2013.

Actress Michelle Trachtenberg, best known for her roles in Buffy The Vampire Slayer and Gossip Girl, has died at the age of 39.

The late actress had been plotting her upcoming role amid recent reports that Buffy was set to make its way back to screens, insiders revealed to DailyMail.com.

The pair worked together on the 1996 Nickelodeon film Harriet the Spy

Michelle Trachtenberg was 'struggling' and 'really sick' prior to her shock death at 39. 

Michelle Trachtenberg wowed fans in Buffy The Vampire Slayer and Gossip Girl, but in recent years she had been battling health issues before she was found dead this week

Michelle Trachtenberg - who has tragically died at the age of 39 - had a liver transplant just a few months before she passed away, it has been revealed

The Buffy and Gossip Girl star was just 39 years old

Blake Lively has shared a picture of her with Michelle Trachtenberg, who played Georgina Sparks on Gossip Girl

Michelle Trachtenberg, known for her roles in Buffy The Vampire Slayer and Gossip Girl, was confirmed dead after emergency medical services arrived at One Columbus Place, New York on Wednesday

Kim Cattrall, Kenan Thompson and Trachtenberg’s ex-boyfriend have also paid tribute

Gossip Girl star Michelle Trachtenberg's boyfriend Jay Cohen has broken his silence after the actress was found dead at her New York apartment on Wednesday

The actress died at the age of 39 at her home in New York City on Wednesday.

Haunting details of Michelle Trachtenberg's final night have been unearthed by DailyMail.com. The star was found dead on Wednesday in her apartment in Manhattan.

Gossip Girl star Michelle Trachtenberg's sudden death at just 39 years old on Wednesday shocked casual fans of late 2000s teen dramas.

Michelle Trachtenberg's heartbroken boyfriend has spoken out just hours after it was announced that the Gossip Girl and Buffy The Vampire Slayer actress had died

Michelle Trachtenberg and Rosie O'Donnell's heartwarming 1996 interview has resurfaced following the Gossip Girl actor's death aged 39, which was announced on Wednesday, 26 February.

Experts reveal the subtle signs of liver damage after Michelle Trachtenberg's sudden death this week at age 39. Sources report she recently underwent a liver transplant due to alcoholism.

The TV star - famous for playing Georgina Sparks in hit teen drama - was just 39 when she passed away.

Gossip Girl star and Buffy the Vampire Slayer alum Michelle Trachtenberg has died aged 39. Before her sudden passing, she was in a long-term relationship with her talent agent, Jay Cohen.

Michelle Trachtenberg previously addressed concern over her well-being, just a year before quietly undergoing a liver transplant ahead of her death at age 39.

The actor was reportedly found at a New York apartment with the cause of death as yet unknownThe actor Michelle Trachtenberg, known for Buffy the Vampire Slayer and Harriet the Spy, has died at the age of 39.Police sources confirmed her death to both ABC News and the New York Post. There is no cause of death yet known and it has been reported that it is not being investigated as suspicious. She had recently undergone a liver transplant, according to sources. Continue reading...

No cause of death has been released, though Trachtenberg’s passing is not being treated as suspicious, according to reports

Actress Michelle Trachtenberg, best known for her roles in Gossip Girl and Buffy The Vampire Slayer has tragically died at the age of 39 in New York City

The cause of death for film and TV actress Michelle Trachtenberg has been confirmed by authorities in the US following the tragic news of her passing at the age of 39

The ‘Harriet the Spy’ star’s cause of death is not yet known

Gossip Girl and The Buffy The Vampire Slayer star Michelle Trachtenberg is thought to have faced a hidden health battle before tragically passing away at the age of 39

The actress was best-known for playing Dawn Summers, the younger sister of Sarah Michelle Gellar’s Buffy in the teen supernatural drama

Police in New York confirmed her death on Wednesday

Gossip Girl and Buffy The Vampire Slayer star Michelle Trachtenberg has tragically died at the age of 39 - in the weeks leading up to her death, she shared a series worrying snaps

Michelle Trachtenberg had won fan acclaim for her roles in Buffy The Vampire Slayer and Gossip Girl

Gossip Girl and Buffy The Vampire Slayer star Michelle Trachtenberg has tragically died at the age of 39 - passing away days after fans expressed concern for her health

Gossip Girl star Michelle Trachtenberg raised concerns among her fans after sharing 10 Instagram posts over the past three weeks ahead of her death at age 39.

The star, 39, was found dead by her mother on Wednesday in her New York City apartment near Columbus Circle just after 8 am local time.

Buffy The Vampire Slayer and Gossip Girl actress Michelle Trachtenberg has died aged 39.

The actor was reportedly found at a New York apartment with the cause of death as yet unknownThe actor Michelle Trachtenberg, known for Buffy the Vampire Slayer and Harriet the Spy, has died at the age of 39.Police sources confirmed her death to both ABC News and the New York Post. There is no cause of death yet known and it has been reported that it is not being investigated as suspicious. She had recently undergone a liver transplant, according to sources. Continue reading...

The Buffy The Vampire Slayer actress' death was reported on Wednesday.

Gossip Girl and Buffy the Vampire Slayer actress Michelle Trachtenberg has passed away aged 39 after worrying her followers with 'concerning' photos on social media

Actress Michelle Trachtenberg shot to fame as a child star at age 3, starring as Nona Mecklenberg on the hit Nickelodeon series The Adventures of Pete & Pete before starring on Gossip Girl