Teenage Nikki
"Probably on a three-way call where I secretly listened to my best friend talk to her boyfriend," Glaser captioned this photo of her freshman year self.
Comedy BFFs
"Eleven years ago with a girl I met on MySpace," Nikki Glaser captioned this Throwback Thursday pic of her and fellow comedian Amy Schumer.
Happy Easter
To celebrate Easter, Glaser shared an adorable childhood photo of herself, captioned, "One of the best mornings of my life I think."
Fun With Sis
Glaser certainly likes to celebrate holidays with old family photos, sharing this one of her and her sister, Lauren, captioned, "Happy 4th from me and my lil' sis in 1992."
Family Impressions
While Glaser does a great Jennifer Aniston impression, her impression of her sister's baby is even better.
Hanging With the Kids
"I love sharing these special moments with my niece and nephew that they'll never remember," Glaser jokingly captioned a pic of her niece and nephew.
Child of the '80s
All dressed in late 80s, early 90s garb, Glaser captioned this Instagram post, "I was cool once!"
Under the Umbrella
Glaser will post a throwback pic for any occasion, using this one to encourage her fans to vote for her on Dancing With the Stars season 27 in 2018. "Please watch this child dance live on national television this Monday on @dancingabc," she joked. "She is so scared and needs your nonjudgmental support."
Prom Gone Wrong
Sharing her 2002 senior year prom pic with fans, she also recalled the story of how her "very popular" date and his friends avoided her all night. Poor Nikki!
Happy Birthday, Mom
Glaser shared a sweet picture in celebration of her mother, Julie's birthday, saying, "Happy birthday, mom. I love you! Thank you for teaching me about farm animals!"
Photobombing Dad
Glaser had a knack for comedy early on, photobombing her sleeping dad, EJ, in this hilarious family photo.
Animal Rights Activist
A nice family outing was the opposite for Glaser, captioning this funny photo, "Mom, thank you for always comforting me when animals are being abused nearby."
Some Assembly Required
Everyone still relies on their parents as adults, as Glaser needed their help to assemble some furniture while living with them during the COVID-19 pandemic.
Girl's Best Friend
Long before adopting her current pup, Luigi, Glaser grew up with her childhood dog Speedo.
Podcaster at Heart
Now the host of The Nikki Glaser Podcast, the comedian had an interest in podcasting from a young age, captioning this childhood photo, "I have always loved podcasts."
Nikki Glaser, Field Hockey Star
Though Glaser claims she was "mediocre at field hockey," she and her friends were always "total pros at talkin s--t."
Nikki's Angels
Sharing another field hockey throwback pic on Instagram, Glaser and her friends posed for a Charlie's Angels-inspired pic in their sports gear.