Gigi Hadid is the new face of Maybelline New York.

Gigi Hadid Reveals A Sneak Peek At Her New Guess Campaign

Shortly after celebrating her boyfriend Cody Simpson's 18th birthday in Los Angeles, Hadid revealed some exciting news to her fans online.

"I'm the new face of Maybelline New York," Hadid announced on Instagram on Tuesday.

Gigi Hadid's Instagram Photos Are a Must-See

Hadid, the daughter of The Real Housewives of Beverly Hills' Yolanda Foster, signed with IMG Models in 2011. Since then, she's appeared in ad campaigns for Tom Ford, Victoria’s Secret Pink and Guess. She's also appeared in a handful of runways shows for brands including Chanel.

After revealing her new contract with Maybelline New York, Hadid returned to Instagram, where she thanked her team, and the beauty brand.

"I'm so beyond honored & excited (at a loss for words, really) to be the new face of @Maybelline!" she wrote. "Thank you so much to my team at @imgmodels @luizmattos1906 for believing in me and helping make this happen, and to the whole #MaybellineNewYork team for being so welcoming; it's such a dream come true to be a part of this family."

Hadid threw Simpson a surprise birthday party on Sunday. According to E! News, Miley Cyrus, Selena Gomez and McKayla Maroney were in attendance.

Prior to the bash, Hadid posted a heartfelt message to Simpson on Instagram. "Happy birthday to you my bub ♡ you are an unmatched soul in this world and love in my heart," it read.

To watch Hadid's Maybelline New York announcement, check out her Instagram video below.

A video posted by Gigi Hadid (@gigihadid) on Jan 13, 2015 at 9:11pm PST