Stars & Their Pets: Matthew Makes a Splash

They’re anything but beach bums! McConaughey and his fit pooch, BJ, ride the waves (and play some fetch!) in Malibu on Saturday.

A birthday-eve stroll: the Fair Game star walks Yorkie Bob near her family’s New York City apartment on Monday – the day before turning 42.

Care to tango? The Dancing with the Stars contestant engages a four-legged friend in a Los Angeles parking lot on Saturday before heading into a dance practice.

Time to hit the ground running! Lutz and pooch Kola stay in tip-top shape with a Friday jog through Los Angeles’s Runyon Canyon park.

Spotted: Gossip Girl star Lively bringing teacup maltipoo Penny to the set in New York City on Friday. What will the Upper East Siders think?

Nothing Mad about this group! Hamm and girlfriend Jennifer Westfeldt enjoy a walk through L.A. with their shepherd mix, Cora, on Saturday.

It’s family time for the reality starlet, who joins husband Jason Hoppy and baby Bryn for a stroll around New York with pooch Cookie on Monday.

After wrapping Red Riding Hood in Canada, Seyfried and Finn resurface at the Vancouver Airport on Thursday before heading home to Los Angeles.

The actor jogs with his dog – and daughter Clementine – well before sunset along the New York City waterfront.

Burke, with fiancé David Charvet, visits Cross Creek shopping center in Malibu on Sunday with her kids – and shepherd pups! – by her side.

The former Sopranos star lets his four-legged friend go off-leash (shhh!) while wandering New York’s Tribeca neighborhood on Sunday.

Is it a puppy party? Grammer and expectant gal pal Kayte Walsh meet up with another pet on Thursday while walking their dog in New York.