Victoria's Secret Fashion Show: How Gigi Hadid Celebrated

— -- Everywhere you look today, there are pictures of Gigi Hadid and Kendall Jenner walking in their first Victoria's Secret Fashion Show.

ABC News sat down with Hadid, 20, to chat about the life-changing experience.

"I've been watching this show for my entire life," she told ABC News while getting ready backstage. "I used to have viewing parties with my girlfriends in high school, practice our runway walks during commercial breaks."

Hadid said being in the show was a "dream come true."

"It's what made me want to be a model," she said. "I honestly can't believe it."

And how did the supermodel celebrate her first show?

"We are having a pizza party!" she exclaimed.

On Instagram, Hadid posted a pic with Jenner after the show, captioned, "This show is genuinely a dream come true. Can't thank you enough."

The 2015 Victoria’s Secret Fashion Show airs at 10 p.m. on Dec. 8 on CBS.