Hayden Panettiere and Connie Britton (Mark Levine / Getty Images)

Connie Britton Mourns 'Nashville' Co-Star Hayden Panettiere With Heartbreaking Tribute: "I Have No Words for This Sad Song"

Actress Hayden Panettiere is being mourned throughout the entertainment community one day after her tragic death. She passed away at the age of 36 in Greenville, South Carolina. Some of those most affected ar the people she formerly worked with. One of them is Connie Britton. The two starred in the TV series Nashville from 2012 to 2016, per Variety.

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Britton posted sadly on Instagram, "This was Hayden. Bursting with brilliance, shining so bright. I have no words for this sad song. Just heartbreak. I love you girl. Sleep easy now." She also added photos showing her with Panettiere. One pic also has them with country music superstar Reba McEntire. Those happy times seem very distant now. This gifted young performer's life and career are being widely recalled in the harrowing aftermath of her death.

Fans Added Their Own Somber Thoughts: "So Sad"

Many seconded Connie Britton's grief. They loved watching Hayden Panettiere and can barely grasp her untimely and shocking passing.

Wrote one, "Oh these photos are heartbreaking"

From another came this. "This one really hurts. Nashville is my comfort show and it will take me a long time before I will be able to watch it again without tears She was far too young! Rest in peace Hayden" 

Someone else indicated how much the Music City drama meant to her. "Rayna & Juliette forever. This show helped me through one of the darkest periods of my life and it means everything to me. Sending you so much love. Queens of country"

This poster is also feeling the enveloping sadness. "Been thinking of you today @conniebritton and the marvelous way you two ladies worked together on the show. I loved every episode. So sorry for your loss. She was a bright shining star, for sure. So sad."

Heartfelt Tributes Have Been Pouring in for Panettiere

Many Hollywood celebs have been expressing their sorrow and shock at the passing of this exceptional actress. Among them, per The Hollywood Reporter, are Rosie O'Donnell, Viola Davis, David Arquette, and Melissa Barrera. They recognized her talent and noted their deep regret at losing her in her personal and professional prime. Hayden Panettiere is gone from our midst far, far too soon.