The Glee star spoke of her loss with a post on her Instagram page, following the unexpected death of 35-year-old nightclub owner Matt last month.
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Becca Tobin shared this Instagram photo as she paid tribute to Matt Bendik
"Thank you all for the love and support," 28-year-old Becca wrote as she shared a snapshot of the couple. "Matt was the most extraordinary man I knew and he will live in my heart forever."
The touching photo shows Becca with her arm around her late beau, whose body was found in a Philadelphia hotel room on 10 July.
The cause of Matt's death remains unclear; the Philadelphia Police Department has confirmed that no illegal substances, paraphernalia or weapons were found at the scene, and said there was no evidence to suggest he had taken his own life.
Glee star Becca Tobin and boyfriend Matt Bendik were "so in love" at the time of his death
Becca, who stars as Kitty Wilde in Glee, had accompanied Matt to the city on his business trip. According to TMZ, the couple spent the previous evening together with friends, and everything seemed normal.
A source told E! News, "It is extremely sad and tragic. He was such an amazing guy. He was so in love with Becca – they did everything together. They were so in love."