Paris Hilton breaks silence on Hayden Panettiere's death: 'It's impossible'

Paris Hilton has expressed her grief over the tragic death of her friend Hayden Panettiere.

On Monday, the 45-year-old socialite took to her Instagram handle to pay a heartfelt tribute to the late actress, calling her a "beautiful soul."

“Heartbroken over the loss of my friend Hayden,” Paris wrote. “She was such a beautiful soul – so talented, strong, kind and full of so much love and light. It’s impossible to believe she’s gone."

"I’ll always cherish our friendship, all the memories we shared, and the special moments we had together," she continued. “My heart is with her family and everyone who loved her during this unimaginable time."

“Love you forever, Hayden. Rest in peace, angel," added the American TV personality. 'You will be so deeply missed.”

For those unversed, Hayden was found unconscious on Sunday, August 16, at the age of 36. Her father, Skip Panettiere, announced her death.

“It is with profound sadness that we share the tragic passing of our beloved Hayden," Hayden's dad said in a statement to ABC News.

"She was an incredible light and a force of nature who brought immeasurable love and joy to all who knew her — and to the millions who watched her onscreen,” continued Skip.

The actress' father added, “We ask for privacy as our family takes time to process this unimaginable loss.”