People.com Lifestyle Pets Stars & Their Pets: Kellan Runs Wild Lutz and Kola hit the trail in L.A. Plus: Blake Lively's pretty Penny and more By People Staff Published on September 27, 2010 08:53 PM Share Tweet Pin Email 01 of 09 KELLAN LUTZ GSI Media 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. 02 of 09 BLAKE LIVELY Eagle Press 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? 03 of 09 JON HAMM National Photo Group Nothing Mad about this group! Hamm and girlfriend Jennifer Westfeldt enjoy a walk through L.A. with their shepherd mix, Cora, on Saturday. 04 of 09 BETHENNY FRANKEL Jackson Lee/Splash News Online 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. 05 of 09 AMANDA SEYFRIED Bauer-Griffin After wrapping Red Riding Hood in Canada, Seyfried and Finn resurface at the Vancouver Airport on Thursday before heading home to Los Angeles. 06 of 09 ETHAN HAWKE Ramey The actor jogs with his dog – and daughter Clementine – well before sunset along the New York City waterfront. 07 of 09 BROOKE BURKE Fame Burke, with fiancé David Charvet, visits Cross Creek shopping center in Malibu on Sunday with her kids – and shepherd pups! – by her side. 08 of 09 JAMES GANDOLFINI Adam Nemser/PHOTOlink The former Sopranos star lets his four-legged friend go off-leash (shhh!) while wandering New York’s Tribeca neighborhood on Sunday. 09 of 09 KELSEY GRAMMER Bauer-Griffin 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.