With all the glitz and glamour that comes out of Tinseltown (not to mention the endless tabloid fodder), it's not always obvious that many celebrities are animal lovers, too. In fact, some stars use their fame to go above and beyond for pets and wildlife. Click to see which celeb do-gooders make us say, "Hooray for Hollywood!"
Credit: CBS via Getty ImagesBob Barker
You Might Know Him From: Barker served as the host of The Price Is Right for 35 years, retiring in 2007.
How He Helps Animals: Those who have seen The Price Is Right know that Barker closed each show with a plea to viewers to spay and neuter their pets. He was the spokesperson for Be Kind to Animals Week in 1985 and in 1987 and stepped down as host of the Miss USA pageant because real animal furs were offered as prizes. The former game show host's DJ&T Foundation has raised millions of dollars and helped support animal rescue and neutering programs.
See Also: Celebrity Pets That Had a Great Year
Photo courtesy of The Ellen DeGeneres ShowEllen DeGeneres
You Might Know Her From: The first female comedian to be invited to chat with Johnny Carson on his couch, DeGeneres has become a household name after years of working in television on shows like Ellen and her current role as host of her own talk show, aptly named The Ellen DeGeneres Show.
How She Helps Animals: DeGeneres is an avid animal lover; she has said she wanted to be a veterinarian when she was a kid. The star is the co-owner of Halo, Purely for Pets, a pet care company that offers a holistic approach to pet products. Her animal activism has extended to Facebook - in the fall of 2012, the comedian launched a Facebook game called Joy Kingdom where players can choose to donate earned currency to animal charities.
You Might Know Her From: Her string of radio hits has included "Die Young" and "Your Love Is My Drug," and her unusual red-carpet style has raised plenty of eyebrows.
How She Helps Animals: The pop star has a soft spot for animals of all kinds and has used her popularity to serve as a mouthpiece for animal rights. She has spoken out against cruelty to wild animals like seals, lions and sharks, as well as supporting cruelty-free cosmetics. Her outspoken approach to animal rights has earned her the 2013 Wyler Award from The Humane Society of the United States.
@sternshow, TwitterHoward and Beth Stern
You Might Know Them From: The shock jock has been scandalizing airwaves for decades, and his wife is an actress and television host.
How They Help Animals: The couple has become actively involved with the North Shore Animal League, and in 2011, they helped raise money for the organization by producing adorable calendars full of precious pets.
@IMKristenBell, TwitterKristen Bell
You Might Know Her From: The petite blonde has starred in movies like Forgetting Sarah Marshall and television shows Veronica Mars and House of Lies.
How She Helps Animals: Aside from her very well-known love of sloths, Bell has worked as an advocate for shelters and fostered animals. She has been a spokesperson for the Helen Woodward Animal Center, which honored the actress with a Humane Award in 2009.
Photo courtesy of Sacks & Co.Emmylou Harris
You Might Know Her From: Her folk singing career has spanned four decades, and she has seen chart-topping commercial success with hits like "Mister Sandman" and "To Know Him Is to Love Him."
How She Helps Animals: Sure, she's a world-famous musician, but that hasn't stopped Harris from giving back in a very personal and hands-on way. The singer has her very own animal shelter called Bonaparte's Retreat, which helps rescue dogs from euthanasia.
@iansomerhalder, InstagramIan Somerhalder
You Might Know Him From: The animal-loving actor has been featured on television shows like Smallville and Lost. He can currently be seen on The Vampire Diaries.
How He Helps Animals: The actor formed the Ian Somerhalder Foundation to help promote pet adoption and support no-kill animal shelters. The organization is currently fundraising to open a sanctuary for homeless pets.
Photo courtesy of SarahMcLachlan.comSarah McLachlan
You Might Know Her From: A founder of the Lilith Fair music festival, she's the woman behind hit singles like "I Will Remember You" and "Building a Mystery."
How She Helps Animals: Animals are near and dear to McLachlan's heart - she has been an active supporter of the ASPCA. The singer's commercial, which features her hit song "Angel," has helped raise more than $30 million for the organization since 2007.
See Also: This Breed Is the Perfect Family Dog
@SophiaBush, InstagramSophia Bush
You Might Know Her From: The actress has starred on One Tree Hill and Partners.
How She Helps Animals: Bush has rescued multiple Pit Bulls and has been an advocate for pet adoption in the press. She has also taken to Twitter, where she has close to 750,000 followers, in support of PETA and other animal charities.
@CuteSpartacus, TwitterIce-T and Coco
How They Help Animals: The couple gushes about their English Bulldog, Spartacus, on their reality show, but they spend time off camera helping pets in shelters find homes and have helped raise money for the Mt. Pleasant Animal Shelter in New Jersey.
Credit: Trae Patton/NBC Betty White
You Might Know Her From: Decades in television, starring in The Mary Tyler Moore Show and Golden Girls, made her a household name, and her current shows, Hot in Cleveland and prank show Betty White's Off Their Rockers, have introduced her to a whole new generation.
How She Helps Animals: White has served in leadership positions in multiple animal organizations, including the Greater Los Angeles Zoo Association. Her 91 st birthday wish was for fans and animal lovers to support the Morris Animal Foundation, an organization she has worked with for more than 40 years to help fund medical and health research for animals.
More on Vetstreet.com
* 10 Insects & Creatures Dangerous to Cats and Dogs
* Can All Dogs Swim? No, and This Popular Breed is Worst
* Why Does My Dog... Eat Poop?
* Looking for a Gentle, Intelligent Cat? This Breed Is For You