This week we've seen just how big a St. Bernard puppy gets in just three months and cheered on a dog's mission to become a "bark ranger" at every National Park. As well as viral pet videos and stories, we've been sent readers' pictures and videos of their pets for the weekly Pet of the Week line-up.

If you want your pet to be involved next week, follow the instructions at the end of this story to get involved. Winners This week's Pet of the Week winners are Ollie and Gracie, two corgi siblings who have a true brother-sister relationship. "They always want what the other one has, and this time Ollie decided he shares enough and wasn't going to lose the blanket," owner Ann Graham told Newsweek .

In a hilarious video, the pair had an adorable squabble over the blanket. But despite arguing over the little things, their bond is undeniable. "They are best buddies and awesome dogs," Graham said.

"Gracie is smarter, but Ollie is kind and caring and his face melts my heart." Finalists Our first finalist this week is Aussi, who recently died after 15 years by his owner's side. Whether they were working, walking, swimming, or hiking, Aussi was always there, creating an inseparable bond.

"Aussi would actually open doors for me looking for me. If it was a pull-down lever he would pull it down and open it," his owner told Newsweek . The pair would play hide and seek together, and spent every single day and night together.

"My little buddy is no longer here, but forever in my heart," his ow.