John Legend, Chrissy Teigen

MARK WOODWORTH/Patrick McMullan via Getty Images

Chrissy Teigen just won the #10YearChallenge.

As we continue the first month of 2019, many social media users are looking back at photos of themselves from 10 years ago. Many celebs, like Teigen, are participating in the challenge by sharing throwback pictures of themselves with their fans.

The Lip Sync Battle co-host took to Twitter on Monday to post a photo of her and husband John Legend on the red carpet in 2009.

"googled myself in 2009. HOW IS JOHN GONNA LOOK EXACTLY THE SAME," Teigen tweeted along with the picture. "I loved this dress so much. it feels like it was yesterday....I remember the feel of the fabric and the zipper and and and ahhhhhh time, it flies kids."

It was just days ago that Teigen helped Legend celebrate his 40th birthday with a star-studded bashKim Kardashian, Kanye West, Kourtney Kardashian, Kris Jenner and Jesse Tyler Ferguson were among the celebs in attendance at the James Bond-themed party, held at Teigen and Legend's Beverly Hills home.

Legend actually turned 40 on Dec. 28, receiving a sweet and sassy shout-out from his wife on social media.

Chrissy Teigen, John Legend, 2018 Emmys, 2018 Emmy Awards, Couples

Frazer Harrison/Getty Images

"Happy 40th birthday to the most incredible man. The best father, hardest worker, best lover, best friend I could ever imagine," Teigen wrote. "Every day I am grateful for how much you love us and how much you both say it and show it. You are one of a kind."

"I am grateful to your family for creating and raising such a pure, sweet, brilliant man. The world has been blessed by your 40 years on this planet," Teigen continued. "I love you. I showed you that this morning BOOYAHHHH."

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