Stars & Their Pets: Holly's Charity Case

Las Vegas’s leading lady stops by the Animal Foundation’s Best in Show event on Sunday at Orleans Arena in Sin City. There, she visited with adoptable pups (like this little one!) and participated in a charity auction, which featured animal-themed works from local entertainers including Cher.

The actress takes a break from the grassy suburbs, opting for a shopping trip through downtown Los Angeles with her pooch last week.

Does Charlotte have a new love? Sex and the City 2’s Davis cuddles up to a pup while visiting Beauty.com’s pop-up shop on New York’s Fifth Avenue on Friday.

Real Housewives of New York City star Bethenny Frankel joins husband Jason Hoppy and pooch Cookie for a post-baby stroll through Manhattan’s West Village on Sunday. The couple welcomed their first child, daughter Bryn, on May 8.

Meanwhile, Frankel’s frenemy (and castmate) Bensimon adopts an adorable Lab mix puppy named Chief at an Animal Haven adoption drive in lower Manhattan on Friday.

Not to be outdone, actor Zach Braff pitches in on Saturday at a city-sponsored, four-shelter rescue event, Adoptapalooza, in New York City. Turns out 75 percent of the animals available for adoption that day found loving homes – that’s something to bark about!

Don’t forget about the West Coasters! Smart steps up for pets in need, too, lending her famous face to the Best Friends Animal Society Pet Adoption Festival in Los Angeles on Sunday.

Dinklage and his dog move forward on Friday as they stroll through the sunshine in N.Y.C.