Hilary Duff & Dubois
The Bernese Mountain Dog loves tweeting about his owners. "Happy Anniversary! To my mom @HilaryDuff and dad :)," he shared online. What a thoughtful pooch!
Amanda Seyfried & Finn
Amanda Seyfried's dog knows what he wants. According to his profile, Finn loves "bully sticks, a weim named Buck, and mother. And hikes. The end."
Chelsea Handler & Chunk
Looks like Chelsea Handler's humor is spreading to her dogs. "Justin Bieber and Amanda Bynes should make mutts," Chunk joked online.
Lisa Vanderpump & Giggy
The Real Housewives of Beverly Hills sidekick loves living a lavish lifestyle. "Teeth brushed,bathed, claws clipped,ready for some abuse," the dog joked on Twitter.
50 Cent & Oprah Winfree
While dad's away, the dogs will play. "I am SO having a party while he's gone! Woof woof!" Oprah Winfree tweeted.
Coco & Sparticus
If Coco doesn't bring Sparticus along, someone's going to be very upset. "Mom's visiting Big poppa Ice in NYC and had the audacity not to take us & leave us in Vegas..What part of the game is that?" the English Bulldog vented to his followers.
Britney Spears & Hannah
While her mom works out, Hannah chooses a more relaxing activiity. "Headed to the gym aka our backyard to get my workout on! And by that I mean I'm going to go lay in the grass :)" she said.
Mario Lopez & Julio
He may call himself a "gangster" on his Twitter profile, but Mario Lopez's four-legged friend is definitely a ladies' man. "I usually come to the car wash to hit on sexy mamas but these chicas look tore up this morning," the dog tweeted.
Andy Murray & Maggie May
Move over, Andy! Based on Maggie May's profile picture, you may not be the only champion.
Bethenny Frankel & Cookie
Even with her barking outbursts on Bethenny Ever After, Cookie never forgets to support her owner. "Watching mom on @gma thx for the shout out! #puppylove" she tweeted.