Play ball!

Here are 40 celebrities who have taken part in the tradition.

Play Ball!

Ronald Martinez/Getty Images; George Pimentel/WireImage; Jim McIsaac/Getty Images; Jun Sato/ WireImage; Marc Andrew Deley/FilmMagic

Carly Rae Jepsen at the Tampa Bay Rays' Tropicana Field on July 14, 2013

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50 Cent at the New York Mets' Citi Field on May 27, 2014

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Justin Bieber at the Chicago White Sox’s Cellular Field on May 3, 2010

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Matthew McConaughey at the Los Angeles Dodgers' Dodger Stadium on May 20, 2009

Mark Sullivan/WireImage

Bill Murray at the Chicago Cubs' Wrigley Field on April 12, 2004

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Tom Hanks at the Yomiuri Giants' Tokyo Dome on May 8, 2009

Jun Sato/ WireImage)

Queen Latifah at the Cleveland Indians' Jacobs Field on October 5, 2007

Gregory Shamus/Getty Images)

Jimmy Kimmel at the New York Mets' Citi Field for Game 2 of the 2015 National League Championship Series on October 18, 2015

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Tom Cruise at the Seibu Lions' Seibu Lions Stadium in Tokorozawa, Japan, on October 19, 2004

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Snoop Dogg at the Toronto Blue Jays' Rogers Centre on June 9, 2015

Tom Szczerbowski/Getty Images

Will Ferrell at the Boston Red Sox’s Fenway Park on July 17, 2006

Marc Andrew Deley/FilmMagic

Ben Affleck at the Boston Red Sox’s Fenway Park on August 22, 2003

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Elle Fanning at the Los Angeles Dodgers' Dodger Stadium on June 4, 2014

Mark Sullivan/WireImage

Drew Barrymore at the Toronto Blue Jays' SkyDome on October 1, 2004

George Pimentel/WireImage

Jon Hamm at the St. Louis Cardinals' Busch Stadium on August 18, 2014

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Prince Harry at the New York Mets' Citi Field on June 26, 2010

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Mark Wahlberg at the Boston Red Sox’s Fenway Park on July 5, 2009

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Kim Kardashian and Kourtney Kardashian at the Los Angeles Dodgers' Dodger Stadium on June 29, 2007

Kirby Lee/WireImage

J.K. Simmons at the Detroit Tigers' Comerica Park on April 6, 2015

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Owen Wilson at the Texas Rangers' Ameriquest Field on July 18, 2005

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Victoria Beckham at the Los Angeles Dodgers' Dodger Stadium on June 11, 2007

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Jerry Seinfeld at the New York Mets' Shea Stadium on May 22, 2005

Bill Kostroun/AP

Mariah Carey at the Yomiuri Giants' Tokyo Dome on May 28, 2008

Jun Sato/ WireImage

Harrison Ford at the Los Angeles Dodgers' Dodger Stadium on April 15, 2013

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Seth Meyers at the Boston Red Sox’s Fenway Park on June 24, 2004

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Elisabeth Moss at the Chicago Cubs' Wrigley Field on August 28, 2012

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Jessica Alba at the Los Angeles Dodgers' Dodger Stadium on August 17, 2014

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Halle Berry at the Montreal Expos' Olympic Stadium on May 11, 2003

Jon Soohoo/WireImage

Avril Lavigne at the Tampa Bay Rays' Tropicana Field on May 28, 2011

Chris O’Meara/AP

Vince Vaughn at the Chicago Cubs' Wrigley Field on June 18, 2011

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Robert Redford at the Chicago Cubs' Wrigley Field on April 1, 2011

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Don Cheadle at the New York Mets' Citi Field on April 28, 2013

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Adam Sandler at the New York Yankees' Yankee Stadium on May 28, 2005

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Eva Longoria at the Los Angeles Angels' Angel Stadium of Anaheim on July 24, 2005

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Will Ferrell and Zach Galifianakis at the Chicago Cubs' Wrigley Field on July 18, 2012

Brian D. Kersey/Getty Images

Max Greenfield at the Los Angeles Dodgers' Dodger Stadium on April 24, 2014

Mark Sullivan/WireImage

Dan Aykroyd at the Houston Astros' Minute Maid Park on June 26, 2008

Bob Levey/WireImage

Ginnifer Goodwin at the Los Angeles Dodgers' Dodger Stadium on May 1, 2013

Mark Sullivan/WireImage

Julianne Hough and her grandfather Bob Hough at the Los Angeles Dodgers' Dodger Stadium on May 1, 2013

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Jeremy Piven at the Chicago Cubs' Wrigley Field on June 18, 2006

Jonathan Daniel/Getty Images