United Kingdom, Oct. 21 -- Jimmy Fallon is heartbroken after the death of his family dog.

The 51-year-old Tonight Show host has revealed his beloved pet pooch Gary has passed away, as he paid an emotional tribute to the Labrador.

He wrote on Instagram: She was the last name we signed on every birthday card.

"She was our first baby, a therapist, a pillow, a big sister, a schoolmarm, a comedian, a party girl and a rebel. "Definitely not a watchdog - she would have let burglars in and shown them where we kept the bacon and American cheese slices.

"Always smiling even when she slept. She loved a good scratch and would lean into you if she liked you, though 'if' is generous -she did this for basically everyone.

"She would jump into the po...