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27 Celebrities Who Turn 40 In 2024, Because, Well, That's Just How Time Works

I truly cannot even fathom Prince Harry, Mark Zuckerberg, and Avril Lavigne being the same age.

One thing about me is that I am extremely fascinated by celebrity birthdays and ages. And just out of plain curiosity, I wondered, which famous people are about to turn 40 in 2024?

And just in case you wanted to feel old today, lemme tell you:

1. Katy Perry

Katy Perry

2. Prince Harry

Prince Harry

3. Avril Lavigne

Avril Lavigne

4. T-Pain

T-Pain

5. Mark Zuckerberg

Mark Zuckerberg

6. Mandy Moore

Mandy Moore

7. Kid Cudi

Kid Cudy

8. Calvin Harris

Calvin Harris

9. Olivia Wilde

Olivia Wilde

10. Gina Rodriguez

Gina Rodriguez

11. Aubrey Plaza

Aubrey Plaza

12. Noel Fisher

Noel Fisher

13. America Ferrera

America Ferrera

14. Jack Antonoff

Jack Antonoff

15. Patrick Stump

Patrick Stump

16. Trevor Noah

Trevor Noah

17. Kelly Osbourne

Kelly Osbourne

18. Scarlett Johansson

Scarlett Johansson

19. Fantasia Barrino

Fantasia Barrino

20. Paul Dano

Paul Dano

21. Lauren London

Lauren London

22. Ashlee Simpson

Ashlee Simpson

23. Cecily Strong

Cecily Strong

24. Christy Carlson Romano

Christy Carlson Romano

25. Jackson Rathbone

Jackson Rathbone

26. Chris Lowell

Chris Lowell

27. Jena Malone

Jena Malone