"I had to put my first dog down last week after 14 years of wonderful companionship. RIP Docker."

"Our beautiful bossy Cassie died suddenly three years ago today. We still miss her."

"My dog passed away yesterday. These are the first and last pics of her ... "

"Our first day and last day together."

"The first and last picture of my cat, Steve Holt! I'll miss you so much, buddy."

"Thirteen years ago when I first met my dog. Here he is at the park. We took him one last time and let him roam wherever he wanted."

"First picture ever taken of us on the left, last ever on the right :("

"She's been my best friend for SIXTEEN YEARS and today, she sadly passed away from a stroke. I love this dog and I miss her dearly."

"Our first and last pictures together. Mortimer, 1991-2010."

"My first picture and last picture with Kilo ... RIP little guy."

"This is my cat's first and last picture."

"The first and last photos of my best friend."

"We had to put him down yesterday ... I loved him so damn much."

"Here's the first and the last pictures we ever took of our old dog, 16 years apart."

"We had to put down Simba today. Here's the first picture I took of him and one of the last."

"My best friend is now gone after 10 years of friendship. These are her first and last pictures."

"My first and last picture with Mopsy."

"Millie passed away this week. This is the first and last photo I took of her. I love you so much Millie!"

"The first and last photo of my best friend. I love you Mel."

"From the first 'hi' to the final 'goodbye,' the best dog I've ever had."