THEN AND NOW: How the world's biggest sports stars have changed over the decade

  • The best athletes in the world have aged over the course of the decade.
  • With the 2010s coming to a close, we took a look back at how some of the best competitors in sports have changed from 2010 to now.
  • Visit Business Insider's homepage for more stories.

A lot can change in ten years, not the least of which are athletes themselves.

With the 2010s coming to a close, we took a look back at how some of the biggest and best athletes in the world changed over the decade.

Many athletes have aged gracefully, some have simply changed up their looks, while others, frankly, don't appear to have aged at all over the years.

Take a look below at the world's best athletes in 2010 vs. 2019. 

50 PHOTOS
How the world's biggest sports stars have changed over the decade
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How the world's biggest sports stars have changed over the decade

Tom Brady in 2010 (33).

(Photo by Rob Tringali/SportsChrome/Getty Images)

Tom Brady now (42).

(AP Photo/David J. Phillip)

LeBron James in 2010 (25).

(AP Photo/Alan Diaz)

LeBron James now (34).

(AP Photo/John Raoux)

Serena Williams in 2010 (29).

(AP Photo/Jon Super)

Serena Williams now (38).

(Photo by Greg Allen/Invision/AP)

Lionel Messi in 2010 (23).

(AP Photo/Manu Fernandez)

Lionel Messi now (32).

(AP Photo/Joan Monfort)

Michael Phelps in 2010 (25).

(AP Photo/Chuck Burton)

Michael Phelps now (34).

(Photo by: Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty Images)

Roger Federer in 2010 (29).

(Photo credit FABRICE COFFRINI/AFP via Getty Images)

Roger Federer now (38).

(Photo by Angel Castillo/Jam Media/Getty Images)

Tiger Woods in 2010 (34).

(Photo by Ric Tapia/Icon SMI/Corbis/Icon Sportswire via Getty Images)

Tiger Woods now (43).

(Photo by Ben Jared/PGA TOUR via Getty Images)

Cristiano Ronaldo in 2010 (25).

(AP Photo/Andres Kudacki)

Cristiano Ronaldo now (34).

(AP Photo/Alexander Zemlianichenko)

Megan Rapinoe in 2010 (25).

(Photo by Mike Zarrilli/Getty Images)

Megan Rapinoe now (34).

(Photo by Harry How/Getty Images)

Clayton Kershaw in 2010 (22).

(Photo by Christian Petersen/Getty Images)

Clayton Kershaw now (31).

(Photo by Harry How/Getty Images)

Stephen Curry in 2010 (22).

(Photo by Albert Pena/Icon SMI/Corbis/Icon Sportswire via Getty Images)

Stephen Curry now (31).

(Photo by Ezra Shaw/Getty Images)

Alex Ovechkin in 2010 (25).

(Photo by G Fiume/Getty Images)

Alex Ovechkin now (34).

(Photo by Tony Quinn/Icon Sportswire via Getty Images)

Diana Taurasi in 2010 (28).

(Photo by Christian Petersen/Getty Images)

Diana Taurasi now (37).

(Photo by M. Anthony Nesmith/Icon Sportswire via Getty Images)

Floyd Mayweather in 2010 (33).

(Photo credit GABRIEL BOUYS/AFP via Getty Images)

Floyd Mayweather now (42).

(Photo by Erik Kabik Photography/ MediaPunch /IPX)

Aaron Rodgers in 2010 (27).

(AP Photo/Jim Prisching)

Aaron Rodgers now (36).

(AP Photo/Mike Roemer)

Maria Sharapova in 2010 (23).

(AP Photo/Carlos Jasso)

Maria Sharapova now (32).

(Photo by John Nacion/STAR MAX/IPx)

Bryce Harper in 2010 (18).

(AP Photo/Matt York)

Bryce Harper now (27).

(AP Photo/Matt Slocum)

Rafael Nadal in 2010 (24).

(AP Photo/Kirsty Wigglesworth)

Rafael Nadal now (33).

(AP Photo/Michel Euler)

James Harden in 2010 (21).

(AP Photo/Matt Slocum)

James Harden now (30).

(AP Photo/John Raoux)

Lindsey Vonn in 2010 (26).

(AP Photo/Giovanni Auletta)

Lindsey Vonn now (35).

(Photo by Jordan Strauss/Invision/AP)

Sidney Crosby in 2010 (23).

(AP Photo/Keith Srakocic)

Sidney Crosby now (32).

(AP Photo/Gene J. Puskar)

Carli Lloyd in 2010 (28).

(AP Photo/Armando Franca)

Carli Lloyd now (37).

(AP Photo/Thibault Camus)

Novak Djokovic in 2010 (23).

(AP Photo/Kirsty Wigglesworth)

Novak Djokovic now (32).

(AP Photo/Bernat Armangue)

Shaun White in 2010 (24).

(AP Photo/Jae C. Hong)

Shaun White now (33).

(Photo by Jason Mendez/Invision/AP)

Justin Verlander in 2010 (25).

(AP Photo/Nam Y. Huh)

Justin Verlander now (36).

(AP Photo/Frank Franklin II)

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Now, check out which athletes owned the 2010s....

The most dominant athletes of the decade >

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