1 of 50
Kimberly Wisneski of Portsmouth, Va., writes: "I decided to dress my Chihuahua, Paris, as Lady Gaga this year because I'm a huge fan. The costume was a huge hit and she [won] 1st place at two local dog events."
2 of 50
Mike DeMarco of Watertown, Mass., writes: "This is Captain Baxter from the United States Air Bark just back from a top secret mission. This was a homemade costume my wife Stephanie and I made."
3 of 50
Randi Jo Cheafsky of Raleigh, N.C., writes: "Cockadoodle-dooooooo! Harley loves her rooster costume!"
4 of 50
Hope Wurth of Louisville, Ky., writes: "The Tinkerbell costume on the left was worn by me when I was a child. Now, my 8-lb. Pomeranian is sporting it!"
5 of 50
Aurelia Campbell of San Francisco, Calif., writes: "This is Kiwi with my daughter's pumpkin hat."
6 of 50
THING 1 & THING 2
Caitlin Turchyn of Ocean, N.J., writes: "This is a picture of Spanky and Stewart. They are Jack Russell terrier litter brothers and we dressed them up as Thing 1 and Thing 2 from Dr. Seuss."
7 of 50
Norma Hernandez of Aurora, Colo., writes: "Our beloved dog Maximo is a curious pup, who loves his daily walks around our neighborhood. We wanted to find the perfect costume for him this Halloween…I came across "the one" while out shopping one day and it was perfect!"
8 of 50
Jessica Park of Anchorage, Alaska, writes: "Jersey the Jack Russell terrier dressed up as a lobster."
9 of 50
Melissa Bernardo of Burlington, Ontario, writes: "This is our dog Mia, a Boston Terrier, in her SUPER DOG costume. Here she is flying off the back deck set of stairs!"
10 of 50
Lisa D. of Baltimore, Md., writes: "This is Bengal at 3 years old. He makes a great Shrek! His head was a little too big for even ogres' ears though!"
11 of 50
Tori Gorman of Amarillo, Texas, writes: "I dressed up my English bulldog, Lily, as a witch this year for Halloween. She was helping us color Halloween pictures for our little cousins out of our It's the Great Pumpkin, Charlie Brown! coloring book."
12 of 50
Laurie Dame of Sunnyvale, Calif., writes: "Maxwell Mudbutt is a little devil most of the time, but for a few brief moments he was an angel!"
13 of 50
Maribeth Fisher of Waldorf, Md., writes: "Ellie, our miniature dachshund, is pumped about her jack-o'-lantern costume for Halloween!"
14 of 50
Krista Dozier of Cape Girardeau, Mo., writes: "Coco attended an event for the Humane Society that promoted adoptions, and the theme was picnic-type foods like hot dogs, so what better way to support the event than dress her up as a hot dog!"
15 of 50
Amanda Barker of Round Rock, Texas, writes: "[Sandi] looked so cute in her witch costume."
16 of 50
Jenna VerDught of Glen Carbon, Ill., writes: "This is our beagador, Wrigley, in his first Halloween costume. This is the one picture that he's not trying to eat the cowboy!"
17 of 50
Amanda Dennis of Knoxville, Tenn., writes: "Louis was a giant crustacean for Halloween! I caught him mid-stop and his lobster tail flipped over!"
18 of 50
Nancy Heidel of Ponchatoula, La., writes: "Shadow, our 5-year-old maltipoo, loves to eat! So my daughter thought it was fitting to get her a cow hat. As you can tell, she's not really happy about the choice!"
19 of 50
Stephen Jackson of Wise, Va., writes: "This is Sophie. She just turned 2 years old not too long ago, and she's not a very happy girl with her witch costume on."
20 of 50
Waleska Santiago of Sanford, Fla., writes: "My cutie pirate arrrggghhhhh!"
21 of 50
Sean Jackson of Canal Winchester, Ohio, writes: "The picture does more justice than words ever could."
22 of 50
Kristen Kreger of Sevierville, Tenn., writes: "My 5-year-old Dalmatian Wendy as a pirate."
23 of 50
SHOWGIRL & CASINO PIT BOSS
Roberta Finch of Des Plaines, Ill., writes: "Nikki loves being a showgirl and Willy is the pit boss!"
24 of 50
Richie Sparrow of Charlotte, N.C., writes: "Ollie is a sweet, French Bulldog puppy celebrating his first Halloween! So, that's why he may look a little shy. Looks like he's ready to sting me for putting this costume on him!"
25 of 50
Linda Bloom of Escondido, Calif., writes: "I got the idea from the Johnny Depp movies. I made the costume amp my dog pulls the cart filled with pirate treasure. I use this caption for the picture: This is Captain "Thumper" Sparrow, Capt. Jack's cousin."
26 of 50
Nikki Smith of Chicago, Ill., writes: "This Harley Davidson costume is a reflection of [Lou's] rebellious free spirit. Can't you just hear the song "Bad to the Bone" playing in the background? This little guy was BORN TO RIDE!"
27 of 50
Hayley Larkin of Hermosa Beach, Calif., writes: "This is my Boston terrier, Pearl. My mom made this custom Snow White outfit for her. It's going to match my 2-year-old niece's Snow White costume."
28 of 50
Sarah Snyder of Chestertown, Md., writes: "This is Miss Daisy Fox. She told me she wanted to be a little fox this year. (She thought it seemed fitting considering her last name.) Much to my dismay, she hated her costume. She would only pose for me just this once because I promised her a long walk and a snack."
29 of 50
Katie Prorock of North Royalton, Ohio, writes: "My cat Smokey in her pumpkin outfit."
30 of 50
Kathleen Sibley of Adelaide, Australia, writes: "Chester's pirate name is "Chesta' Gold" and when he's not busy sailing the high seas, he loves to pillage for snacks and take long walks off the plank. Arrrr-f!"
31 of 50
Jennifer Olyarnik of Panama City Beach, Fla., writes: "This is our English Bulldog Bayley's horse Halloween costume. She absolutely hates it, which is why she refuses to look at the camera while we took her picture."
32 of 50
Rachel Snyder of Salina, Okla., writes: "This is my best friend's dog, Harry Potter, dressed up in an Indian costume. He even has moccasins on!"
33 of 50
Jenna Canitz of Washington, D.C., writes: "This is my mixed breed Bourbon. I dressed him up as a taco for Halloween – he's part Chihuahua, so it seemed fitting!"
34 of 50
Treena Johnson of Northfield Center, Ohio, writes: "Roberto is so embarrassed of being dressed up that he has to wear the shades to stay cool."
35 of 50
THING 1 & THING 2
Stephanie Williamson of Ky. writes: For Halloween 2010, our family is dressing up [as the characters] from The Cat in the Hat with our Siberian Huskies, Dallas (Thing 1), and Loucie (Thing 2), as part of the fun! Thing 1 and Thing 2 can cause havoc, but are just too adorable to really be mad at – just like Dallas and Loucie!"
36 of 50
Katie Raccioppi of Bayonne, N.J., writes: "My English Bulldog Roxy snorts like a pig so I dressed her in a pig costume for Halloween!"
37 of 50
Johanna Easley of Hicksville, N.Y., writes: "Can't you see how thrilled Stella is to buzz around the neighborhood this Halloween?"
38 of 50
Elizabeth Morgan of Clinton, S.C., writes: "Arthur has a huge personality and is a flirt – always ready to strike a pose. He loved the hat when we took him shopping at the pet store. We added the patch and earring and he was happy to say, 'Arggh!'"
39 of 50
Michelle Richardson of Dayton, Ohio, writes: "This is Gordon. He is a 3-year-old Boston terrier. I took this photo of him to send to my husband overseas. This is his little man and I knew it would make his day to see him in this hilarious squirrel costume. Considering the outfit, Gordon was still a ham on camera."
40 of 50
Patricia Vega of Sanford, Fla., writes: "[My] cutie dog as Woody!"
41 of 50
Stephanie Frey of Glendale Heights, Ill., writes: "Here is my puggle puppy Howie dressed up as a dinosaur. We called him "Howiesaurus Rex." Scary, right?!"
42 of 50
Kerstin Wheeler of Washington, D.C., writes: "Gilly looking a bit squirrely!"
43 of 50
Gianna Arditto of Los Angeles, Calif., writes: "This is my 8-month-old Jack-a-Pooh, Dita. I choose a witch costume because she is so cute and has expressive eyes, she can literally put a spell on you. She even has her caldron filled with her favorite toys."
44 of 50
Brenda Bezares of Carteret, N.J., writes: "My daughter decided to dress up our blue pit bull Karma as a fairy princess and have a tea party with her. Gotta love it!"
45 of 50
Christie Bonniwell of Harrington, Del., writes: "This is our Great Dane, Darby. This is her 1st Halloween so we thought we would dress her up like a bumblebee and her name for the day would be DarBee! She was not a fan of the costume, so she stuck her tongue out as we took the picture!"
46 of 50
Lisa Grahek of Wrightstown, Wis., writes: "This is my 2-year-old golden retriever, Nora. Her cosmic wizard powers make her soooo cute. I think I loved this costume way more than she did!"
47 of 50
Kristina Timko of Shaker Heights, Ohio, writes: "Mommy and Daddy went to Napa for vacation so now I have to dress up like a bunch of grapes!"
48 of 50
Carrie West of Flint, Mich., writes: "Roxy Belle, the Mini Weenie Witch!"
49 of 50
Jill Rawlinson-Baker of Tustin, Calif., writes: "Stinky makes one purdy, purdy flower. It's our annual Halloween photo for our family's Halloween card and this year, Stinky opted for the softer, sweeter side. It's so appropriate for our little Stinker."
50 of 50
The Harvey Weinstein Scandal: All of the Hollywood Figures Who Have Spoken Out Against Movie Mogul
Kim and Kanye Are in 'Full Nesting Mode' for Baby No. 3, Plus the Inside Scoop on Meghan Markle Meeting the Queen
Jennifer Garner Gets All Dressed Up, Plus The Rock & Much More
How Jordan Fisher Is Powering Through Multiple Injuries on DWTS: 'Adrenaline Is a Big Factor'