Slideshow: Awesome Halloween photos of famous athletes as kids
<b>Five-time Olympic medalist in gymnastics</b> <br>"My sister, Adria (left), and I are posing for this picture in 2000, when I was 3. I'm dressed as a bride."
Five-time Olympic medalist in gymnastics
"My sister, Adria (left), and I are posing for this picture in 2000, when I was 3. I'm dressed as a bride."
First female auto driver to lead laps in the Indy 500 and Daytona 500
"My sister, Brooke [on the left], and I were fairy princesses. The best part was I got to wear the gown to bed long after Halloween was over."
Canadian pro tennis player
"My sisters and I loved 'The Powerpuff Girls' TV show. We each thought we were one of the characters. Here I am on the right dressed as Buttercup and my twin sister, Beatrice, on the left as Bubbles."
Elena Delle Donne
Forward for the Washington Mystics
"I was the Grinch for Halloween this year when I was 5, because the movie had just recently come out and the Grinch was always a holiday favorite movie to watch in my family."
USWNT member and Chicago Red Stars defender
"I was 4 years old in this picture. Before I went trick-or-treating, my mom took my sister and me to the Phoenix Zoo for a holiday festival -- so here is a lion petting a goat. Happy Halloween!"
Three-time Olympic medalist in alpine skiing
"I'm 6 here -- and dressed as Queen Amidala from 'Star Wars Episode 1'."
Five-time Olympic medalist in gymnastics
"My birthday is Oct. 30, so for many years my birthday party was also a costume party. When I was younger we used to all gather at my family's gym, WOGA, for an open gym birthday/costume party."
Seattle Storm guard and three-time Olympic gold medalist
"I'm the Strawberry Shortcake in the front, at age 5. My sister, Jen, is Oscar the Grouch on the right, and the other three kids are from my neighborhood in Syosset, New York."
Monique and Jocelyne Lamoureux
Three-time Olympic medalists in hockey with the U.S. national team
"Don't ask who is who because I have no idea!" -- Monique Lamoureux
Olympic champion in tennis
"I chose to be a clown this year, when I was 5. We went on a parade to all of the classes at school and got a lot of candy, which I ate. But I got an awful stomachache after. Never forgot that moment!"
World and Olympic champion in triathlon
"I loved trick-or-treating with my big sister, Elizabeth. She always helped me pick my costume, walk around the neighborhood and sort candy."
Three-time Olympic medalist in snowboard halfpipe
"I always loved Christmas and since it was still a few months away, I thought I could be Santa for Halloween and it would somehow help Christmas come sooner."
U.S. women's national hockey team captain and three-time Olympic medalist
"I'm about 18 months here, dressed as a kitty, with my older brother, Bryan, 'protecting' me with his pirate sword. (Or probably wanting to chop my head off because he thought I was a brat!)"
Olympic bronze medalist in figure skating
"As ninjas with my younger brother, Austin. So much fun!"
Olympic gold medalist in cross-country skiing
"The year I went as Austin Powers! My sister Kalli, on the left, is a scarecrow."
2015 national champion in the 800 meters
"I'm the one on the far right at 4 years old, and next to me is my brother, Eric Johnson. You might say I started my career as a rabbit!"
12-time Olympic medalist in swimming
"This is with my sister, Megan, on the right -- and it's almost too embarrassing to share!"
Connecticut Sun forward
"I was 2 years old, I think, and my favorite thing at the time was dinosaurs. Of course, I had to dress up as a dinosaur!"
American pro tennis player
"I'm dressed up as the Disney character Esmeralda, from 'The Hunchback of Notre Dame.' I absolutely loved this movie growing up so I was the happiest kid ever when my grandma made this costume for me!"
First American woman to compete at the Olympics in boxing "All I remember telling my mom was that I wanted to be something where I could paint my face. ... And this is what I got! Thanks, Mom."
Olympic silver medalist in slopestyle skiing
"I was in fourth or fifth grade and my mom used an old summer dress of hers along with a wire hanger throughout my hair, so I could be Pippi Longstocking. Mom says that one of the reasons I was Pippi was because she wanted to do my hair straight out with that clothes hanger!"
Chicago Sky guard
"It was the first year of the WNBA, so we were excited to buy everything WNBA. I'm in the Sparks jersey. I'm not sure these were very scary Halloween costumes, but we wore them anyway!"
Pro beach volleyball player
"My favorite memory of Halloween in 1998 was dressing up with my best friend Brittany and eating too much candy! I'm on the left in this pic."
Chicago Red Stars defender
"This was my first Halloween dressing up when I was 5. Apparently Lion King was my fave back then, so I wanted to be like the one-and-only Simba."
Pro beach volleyball player
"This is me as Cleopatra. I remember my friends all asking me who I was, and all I told them was that I was the most beautiful and powerful woman in the world!"
New York Liberty center and two-time Olympic gold medalist
"I am a huge Barney fan! That day, I went to my kindergarten Halloween party, and then my mom said I wore this costume for two more days after."
Olympic gold and bronze medalist in swimming
"My mom was a seamstress for a while and hand made lion costumes for my siblings and me. My older brother and sister were the first to wear them and after that they were handed down to my little brother and me!"
Connecticut Sun guard
"I believe I'm 6 years old in this picture, and I remember being crazy about Power Rangers. The pink one was the cooler girl Ranger, so it was a no-brainer that I would be her for Halloween!"
"I was a zombie cheerleader when I was in fifth grade. The scariest thing about that Halloween costume was my teeth -- those were my real teeth. They weren't meant to be part of the costume, unfortunately."
Indiana Fever center
"Circa 1996 -- I was about 4 years old."
Two-time Olympic medalist in swimming
"This is me as a clown, at age 3. My mom later recycled this same costume for my younger sister, so it's hard to tell us apart in Halloween pictures."
Olympic gold medalist in hockey
"I was in love with Leonardo from the Teenage Mutant Ninja Turtles. As you can tell, my 'action pose' shows how much I believed I was one of them."
Ten-time U.S. national champ in ski jumping
"Here I am at age 3, as a fairy with a scary black wig." (At espnW we noticed she still makes this face -- check out this photo evidence from the 2013 World Cup tour.)
Olympic soccer player for Canada
"I'm less then a year old -- and the Ace of Spades."
U.S. volleyball middle blocker and 2014 world champion
"I've always loved Halloween, but my favorite and most vivid moments from Halloween would have to be coming home after sprinting from door to door for candy and pouring it all out on our big open floor at home and seeing all the stuff I collected. I would always be so proud of how much I was able to collect. Hard work pays off!"
World all-around champion and Olympic medalist in gymnastics
"This skunk outfit was my favorite Halloween costume by far."
Washington Spirit forward
"I dressed up as a princess for several Halloweens because it was the only time my mom would let me wear makeup. I loved all the Disney princesses!"
Three-time Olympian in aerial skiing
"My mom made this costume herself! I was maybe 5 years old here and was living in Ashburn, Virginia. I've never had a better costume than that!"
Two-time Olympic medalist in ski cross
"Here's a shot of my older sister, Kristi, as a leopard and me as a fat little bumblebee! I believe I was about 5 years old at the time."