While film stars may come to mind when you think of 'celebrity pets,' the real money is in building a massive following on Instagram and other social media.

"They grow up so fast" is a phrase dog owners use almost as often as "Who’s a good girl?" or "Stop eating that!" In 2018, people even created a whole online community to embody the famous line.

One of the most popular remixes was created by the YouTube user shaliek, which featured the Herp Alpert song "The Midnight Tango"; this remix has been viewed nearly 400,000 times since its January 27, ...