1 of 10
2 of 10
These two can’t keep their hands – or eyes – off their furry besties. shares an idyllic September afternoon with Baxer in Boston’s Public Garden, while uses his cinematographic eye to capture a sunny day with George in 2008.
3 of 10
POUND THE PAVEMENT
Going out on the town doesn’t mean the dogs have to stay behind. steps out of his Boston hotel in September with Baxter close by, and leaves a Hollywood lunch with George in 2008.
4 of 10
SWEATS & CAPS DAY
It’s a casual September! puts up his hoodie during a Beantown coffee run with Baxter, while on the opposite coast, goes for a sweats-on-sweats walk with George in L.A.
5 of 10
HIKE IT UP
All leashes are off when these pairs are at the park. and Baxter go downhill during a 2009 walk in L.A., while and George keep their eyes on a high-flying ball in 2010.
6 of 10
7 of 10
The twilight hours are a familiar time for these movie stars – and their dogs. Following a September night in with rumored flame (not pictured), leaves his Boston apartment with Baxter; in March, George and head home after a long day on the Ides of March set.
8 of 10
Even the girlfriends have dogs! surprises her in October by sending out her Maltipoo Penny with a bouquet of balloons.
9 of 10
That same month, and his lady love run errands in Hollywood with Mendes’s Belgian Malinois, Hugo, and everyone shares a few kisses.
10 of 10
leads Baxter through the car park at L.A.’s Runyon Canyon in 2009, while gives George a boost after a run through the park in September – and both dogs couldn’t look happier.
Top Dogs: These Are the Most Popular Pups in the Country
All the Ways a Puppy Can Make Your Life Better RIGHT NOW
See How Celebrity Puppy Parents Are Celebrating National Puppy Day!
See What Tuna, Doug the Pug and More Famous Dogs Looked Like as Little Puppies
Watch The World's Most Adorable Puppies In Honor Of National Puppy Day!