What is it about pit bulls that win over fan after fan who meet them? Pitties have a constant smile, a positive enthusiasm about life and happiness down to their core. With the awareness brought to the forefront about this breed and their plight not just in recent years, but what they have had to endure for centuries, owners wonder who would abuse and fight these precious dogs.

Celebrities in the know have found that the love and devotion from their dogs is something they just cannot imagine being without. Find out which celebrities are pit bull lovers and who shares their lives with one, two or even three pitties.

John Stewart and his beautiful wife Tracey have just opened an animal sanctuary in New Jersey, coordinating with nonprofit Farm Sanctuary, according to a previous report by HNGN.  So of course the animal loving pair see the worth of pit bulls and share their lives with a wonderful, adopted three-legged pittie named Champ.

Alicia Silverstone and husband Christopher Jarecki share their home with three pitties, including Butterfly who sleeps on top of Jarecki at night! Silverstone advocates against pit bull stereotypes, as well as for animals in general. Her pitties are often featured on her website The Kind Life.

Katherine Heigl, another hard-working animal advocate shares her life with a wonderful pittie named Apollo, according to I Heart Dogs, and started the nonprofit animal welfare organization, Jason Debus Heigl Foundation, with her mother to honor her late brother Jason.

The Bradys, yes, Tom and Gisele, have a very sweet and well-trained pit bull named Lua who stole the show from his famous dad in an UGG Australia commercial in which she did one take on her fetch that made her poppa proud.

Jessica Biel has a fabulous pit bull named Tina who posts on her Twitter account each Tuesday using the hashtag #TuesdaysWithTina, in case you wondered who this bestie Tina was.

Kaley Cuoco can also be seen all over her Instagram account with pictures of her three pit bulls. The animal advocate is always seen at animal charity events, including the Stand Up For Pits Foundation, where she continues to give back to her-four legged friends whenever she can.

Rachael Ray is yet another pittie advocate who speaks out against the bad rap the pitties have to endure. She shares her life and probably her Nutrish pet food with her pit bull Isaboo.

Kevin Bacon gets "Footloose" with his beloved, ball loving pittie, Lillly, who is often the focus of his Instagram account posts.

"Stand By Me" and "Star Trek's" Wil Wheaton has two adorable adopted pit bulls named Seamus and Marlowe, because you can't have just one pittie, as we are learning.

Bernadette Peters is so enamored with her pit bull Stella that she wrote a children's book about the beautiful brindly girl called "Stella is a Star." Bernadette has long advocated for dogs and even co-founded a nonprofit group called Broadway Barks with friend Mary Tyler Moore. She feels Stella is an inspiration to her every day of her life.

Sophia Bush is a total adoption advocate thanks to the unconditional love from her three adopted pitties, Griffin, Patch and Penny.

So you see, pitties and celebs go hand in hand like peanut butter and jelly, milk and Oreos, mac and cheese and love and compassion.