“Big Brother” alum Amber Siyavus died on Friday. She was 46.

The Season 8 cast member’s cause and manner of death remain unknown at this time, TMZ reported on Monday.

Siyavus competed on the CBS show in 2007.

“Big Brother” star Amber Siyavus (pictured above in October 2007) died on Friday, per TMZ. Getty Images for Fox

The Season 3 alum (pictured above in September 2007) was 46. Getty Images

At the time, Siyavus earned the nickname “Whamber” due to her tearful moments in the house.

The Las Vegas resident, who bonded with castmates Jameka Cameron and Dustin Erikstrup, ultimately placed seventh in the competition series.

She was the only houseguest to make it to the jury phase without winning Head of Household or Power of Veto.

Her cause and manner of death remain unknown at this time. (Pictured above: Siyavus in October 2007.) Getty Images

Siyavus (pictured above in September 2007) competed on the CBS series in 2007. Getty Images

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Dick Donato won, and his daughter, Daniele Donato, came in second place.

Per Siyavus’ Facebook account, she began working as a cocktail waitress at the MGM Grand in Las Vegas the year after her reality TV stint.

She was back in headlines in 2018 after tragically losing her 18-year-old daughter, Lexi Tomcavage.

At the time, Siyavus, who was nicknamed “Whamber” for her emotional on-camera moments, placed seventh. Facebook/Amber Siyavus

In 2018, her 18-year-old daughter died by an apparent suicide. (Pictured above: Siyavus with Kail Harbick, Jen Johnson and Jameka Cameron in October 2007.) Getty Images for Fox

The teenager died by an apparent suicide.

It is unknown whether Siyavus is survived by other children or a partner.

During her time on the show, she spoke frequently about Tomcavage and about her experience as a single mom.

If you or someone you know is affected by any of the issues raised in this story, call the National Suicide Prevention Lifeline at 800-273-TALK (8255) or text Crisis Text Line at 741741.