21 Celebrities Who Are Kinda Surprisingly Turning 40 This Year — And How They've Changed Since Becoming Famous

Some might surprise you.

1. Kourtney Kardashian

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Turns 40 on: April 18th

Kourtney shot to fame in 2007 thanks to her part in Keeping Up With The Kardashians. 15 seasons, three children and a break-up with Scott Disick later, the oldest Kardashian sibling is about to turn 40 more famous than ever.

2. Chris Pratt

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Turns 40 on: June 21st

Chris hit the big-time with his part in Parks and Recreation, which debuted a whole ten years ago. Since then he's gone on to become a fully-fledged Hollywood A-Lister, with starring roles roles in Jurassic World, Guardians of the Galaxy and Avengers.

3. Pink

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Turns 40 on: September 8th

Pink burst onto the music scene in 2000 with her debut single, "There You Go," and has been a mainstay ever since. Over her 19 year career, Pink has released seven albums, sold 40 million records, and won three Grammys.

4. Mindy Kaling

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Turns 40 on: June 24th

Mindy Kaling rose to fame in 2005 thanks to her role on The Office. She went on to write, direct, produce and star in comedy TV series, The Mindy Project, while also penning two memoirs and bagging starring roles in Ocean's 8 and A Wrinkle in Time.

5. Kate Hudson

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Turns 40 on: April19th

Kate Hudson first hit our screens all the way back in 2000, when she starred in Almost Famous. Since then, she's become romcom royalty, appearing in classics including How To Lose a Guy in 10 Days, Bride Wars, You Me and Dupree, and Raising Helen.

6. Adam Brody

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Turns 40 on: December 15th

Adam Brody endeared himself to the world thanks to his role as Seth Cohen in the iconic '00s show, The OC. And he's scored consistent roles in movies such as Sleeping With Other People and Startup ever since the series ended in 2007.

7. Pete Wentz

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Turns 40 on: June 5th

Pete Wentz found fame as one quarter of Fall Out Boy, who have racked up 30 million album sales since their first release in 2003. Over the years Pete has also found time to form a side project, Black Cards, and a record label which has signed bands including Gym Class Heroes and Panic! At the Disco.

8. Adam Levine

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Turns 40 on: March 18th

Adam Levine has remained one of the most recognisable singers on the music scene since Maroon 5's first album, Songs About Jane which was released in 2002. Since then the band have sold 12 million albums, and Adam also currently serves as a judge on The Voice.

9. Jason Momoa

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Turns 40 on: August 1st

He may be best known these days for his part in Aquaman, but over the years Jason has also appeared in Game of Thrones, Frontier and Stargate Atlantis.

10. Claire Danes

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Turns 40 on: April 12th

Claire Danes began her career with a string of iconic roles, including parts in Little Women and Romeo and Juliet. Since then she's gone on to star in 27 other movies and is currently appearing in the eighth season of Homeland.

11. Tiffany Haddish

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Turns 40 on: December 3rd

Since starring in 2017's Girls Trip, Tiffany Haddish has rarely been off our screens, while also publishing a memoir and embarking on a comedy tour. And, if you wanted to check out her back catalogue from before she broke through into the mainstream you can — she appeared in 14 films before 2017!

12. Lance Bass

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Turns 40 on: May 4th

Lance Bass became one of the most famous popstars on the planet thanks to his part in '00s supergroup NSYNC, who went on to sell 30 million records. He now fronts a radio show, Dirty Pop.

13. James McAvoy

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Turns 40 on: April 21st

James McAvoy made his film debut all the way back in 1995, and since then has starred in movies spanning every genre — from Atonement to X-Men and The Chronicles of Narnia.

14. Busy Philipps

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Turns 40 on: June 25th

Busy Philipps burst onto the acting scene in the early '00s thanks to her parts in Freaks and Geeks as well as Dawson's Creek. Since then she's been a mainstay in TV and movies, and even has her own late-night talk show, Busy Tonight.

15. Lamar Odom

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Turns 40 on: November 6th

Lamar Odom has experienced a lot of ups and downs over his 40 years — from being a twice-winning NBA champion basketball star, to marrying and divorcing Khloé Kardashian and experiencing a near-fatal overdose in 2015, this year, he'll be releasing a memoir charting it all.

16. Evangeline Lilly

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Turns 40 on: August 3rd

Evangeline Lilly is best known for her role as Kate Austen in Lost, for which she earned a Screen Actors Guild award and Golden Globes nomination. Since the show wrapped in 2010, Evangeline has established herself as superhero Hope van Dyne in the Ant-Man movies, and is set to reprise the role in the upcoming Avengers: Endgame.

17. Flo Rida

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Turns 40 on: September 16th

Flo Rida burst onto the music scene in 2008 with the chart-topping banger, "Low." He's remained sky-high in the charts ever since, with songs including "Right Round," "Club Can't Handle Me," and "Wild Ones."

18. Aaron Paul

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Turns 40 on: August 27th

Aaron Paul hit the mainstream thanks to his iconic role as Jesse in Breaking Bad, which earned him Critics Choice and Emmy Awards as well as a legion of fans. Since then, his time has been spent voicing Todd Chavez on the critically-acclaimed BoJack Horseman — a show he also executive produces.

19. Jennifer Love Hewitt

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Turns 40 on: February 21st

Jennifer Love Hewitt became a household name thanks to her role in I Know What You Did Last Summer in 1997 and since then has tried her hand at TV roles and even a music career. These days she's starring in drama series 9-1-1 in which she plays a first responder.

20. Ne-Yo

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Turns 40 on: October 18th

Ne-Yo began his career in 2000, penning songs for other artists including "Let Me Love You" for Mario, and "Irreplaceable" for Beyoncé. But he became a popstar in his own right back in 2005 and since then has churned out 29 hits and seven albums.

21. John Krasinski

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Turns 40 on: October 20th

John rose to fame thanks to his part as Jim Halpert in The Office, and since then has turned his hand at just about everything — from appearing in movies like License to Wed, producing Brief Interviews With Hideous Men, as well as co-writing, directing and starring in one of 2018's most successful films, A Quiet Place.