Happy birthday, Ian Somerhalder!

Born in Louisiana on December 8, 1978, Ian Somerhalder celebrates his 40th birthday Saturday.

In honor of the actor’s 40th birthday, see photos of him through the years, ahead.

GALLERY: Ian Somerhalder Through the Years: ALL CROPS Image Tout

FOX via Getty Images; Reisig and Taylor/ABC/Getty Images; Taylor Hill/FilmMagic

Sessions and Worldz' Kickoff Party in New York City on November 1, 2016

GALLERY: Ian Somerhalder Through the Years: GettyImages-1445318.jpg May 24, 2000 Mark Famiglietti, Katherine Moennig, and Ian Somerhalder of the WB summer hit TV series ‘Young Americans’

Justin Lane/Liaison/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-85732212.jpg Ian Somerhalder ‘Life as a House’ Premiere October 24, 2001

Steve Granitz/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-1539527.jpg Ian Somerhalder attends the 4th Annual Young Hollywood Awards by Movieline May 5, 2002 in Hollywood, CA.

Robert Mora/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-95916226.jpg September 24, 2002 Kate Bosworth & Ian Somerhalder ‘The Rules Of Attraction’ Screening

Jean-Paul Aussenard/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-104852319.jpg January 9, 2003 Ian Somerhalder during Sony Ericsson’s Hollywood Premiere Party 2003 at The Palace in Hollywood, California, United States.

Jean-Paul Aussenard/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-111236698.jpg March 1, 2003 Ian Somerhalder and Amy Smart during Fashion Show and Party at the GQ Lounge at GQ Lounge at White Lotus in Hollywood, California, United States. (

Jean-Paul Aussenard/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-93681039.jpg Lost Ian Somerhalder July 28, 2004

Reisig & Taylor/ABC/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-93681049.jpg Lost Ian Somerhalder July 28, 2004

Reisig & Taylor/ABC/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-52000934.jpg Ian Somerhalder arrives to the 62nd Annual Golden Globe Awards at the Beverly Hilton Hotel January 16, 2005 in Beverly Hills, California.

Kevin Winter/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-110231487.jpg May 2, 2005 Ian Somerhalder during The Costume Institute’s Gala Celebrating “Chanel” - Arrivals at The Metropolitan Museum of Art in New York City, New York, United States.

Gregory Pace/FilmMagic

GALLERY: Ian Somerhalder Through the Years: GettyImages-85732258.jpg March 26, 2006 Ian Somerhalder Tiffany & Co. Celebrates The Launch Of Frank Gehry’s Premier Collection On Rodeo Drive - Arrivals

Steve Granitz/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-609569490.jpg Ian Somerhalder (Host) attends UNRULY HEIR Spring Summer 2008 at Grand Street Tent on September 9, 2007 in New York City.

David X. Prutting/Patrick McMullan via Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-609569184.jpg Lydia Hearst and Ian Somerhalder attend UNRULY HEIR Spring Summer 2008 at Grand Street Tent on September 9, 2007 in New York City.

David X. Prutting/Patrick McMullan via Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-608948988.jpg Ian Somerhalder attends TISCH SCHOOL of The Arts Presents “TOTALLY TISCH” at The Town Hall and The Marriot Marquis on November 12, 2007 in New York City.

Joe Sschildhorn/Patrick McMullan via Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-81489439.jpg Ian Somerhalder attends Global Green USA’s 5th Annual Pre Oscar Party at Avalon Hollywood on February 20, 2008 in Los Angeles, California.

Charley Gallay/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-80871890.jpg Ian Somerhalder during The Live Party at the Viceroy on April 26, 2008 in Palm Springs, California.

Alexandra Wyman/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-134390484.jpg Ian Somerholder arrives at the CW Upfronts at Madison Square Garden in New York City, New York on May 21, 2009

Christopher Peterson/BuzzFoto/FilmMagic

GALLERY: Ian Somerhalder Through the Years: GettyImages-94160061.jpg Ian Somerhalder arrives at the 2nd annual Golden Globes party saluting young Hollywood held at Nobu Los Angeles on December 8, 2009 in West Hollywood, California.

Jason Merritt/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-105619183.jpg Ian Somerhalder arrives at Spike TV’s “Scream 2010” at The Greek Theatre on October 16, 2010 in Los Angeles, California.

Jeff Kravitz/FilmMagic

GALLERY: Ian Somerhalder Through the Years: GettyImages-105985555.jpg Paul Wesley and Ian Somerhalder meet and greet fans at Vampire Diaries Season 2 Cast Tour at Hot Topic store at Sunset Place on October 23, 2010 in Miami, Florida.

Gustavo Caballero

GALLERY: Ian Somerhalder Through the Years: GettyImages-117038093.jpg Selena Gomez, Ian Somerhalder and Nina Dobrev on stage at the 22nd Annual MuchMusic Video Awards at the MuchMusic HQ on June 19, 2011 in Toronto, Canada.

George Pimentel/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-120630493.jpg Ian Somerhalder poses in the press room at the 2011 Teen Choice Awards held at the Gibson Amphitheatre on August 7, 2011 in Universal City, California.

Steve Granitz/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-125595325.jpg Ian Somerhalder arrives at the 63rd Annual Primetime Emmy Awards held at Nokia Theatre L.A. LIVE on September 18, 2011 in Los Angeles, California.

Frazer Harrison/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-136815956.jpg Ian Somerhalder and Paul Wesley attend the 2012 People’s Choice Awards at Nokia Theatre L.A. Live on January 11, 2012 in Los Angeles, California.

Frazer Harrison/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-143820847.jpg Matt Davis, Michael Trevino and Ian Somerhalder attend ‘Bloody Night Con’ press conference on May 4, 2012 in Barcelona, Spain.

Miquel Benitez/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-144670725.jpg Ian Somerhalder attends the CW Network’s 2012 Upfront at The London Hotel on May 17, 2012 in New York City.

Kevin Mazur/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-160573079.jpg Ian Somerhalder attends DIRECTV Super Saturday Night Featuring Special Guest Justin Timberlake & Co-Hosted By Mark Cuban’s AXS TV on February 2, 2013 in New Orleans, Louisiana.

Neilson Barnard/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-168871525.jpg Ian Somerhalder attends The CW Network’s New York 2013 Upfront Presentation at The London Hotel on May 16, 2013 in New York City.

Taylor Hill/FilmMagic

GALLERY: Ian Somerhalder Through the Years: GettyImages-176222584.jpg Ian Somerhalder attends Fox Teen Choice Awards 2013 held at the Gibson Amphitheatre on August 11, 2013 in Los Angeles, California

FOX via Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-480767517.jpg Ian Somerhalder attends the “Noah” premiere at Ziegfeld Theatre on March 26, 2014 in New York City.

Taylor Hill/FilmMagic

GALLERY: Ian Somerhalder Through the Years: GettyImages-453987744.jpg Ian Somerhalder attends Heifer International’s 3rd Annual “Beyond Hunger: A Place At The Table” Gala at Montage Beverly Hills on August 22, 2014 in Beverly Hills, California.

Michael Buckner/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-460882948. Ian Somerhalder (R) and Nikki Reed attend a basketball game between the Phoenix Suns and the Los Angeles Lakers at Staples Center on December 28, 2014 in Los Angeles, California.

Noel Vasquez/GC Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-474113162.jpg Nikki Reed and Ian Somerhalder attend the “Youth” Premiere during the 68th annual Cannes Film Festival on May 20, 2015 in Cannes, France.

Ian Gavan/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-480516994.jpg Ian Somerhalder speaks onstage at the “The Vampire Diaries” panel during Comic-Con International 2015 at the San Diego Convention Center on July 12, 2015 in San Diego, California.

Albert L. Ortega/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-504549934.jpg Nikki Reed and Ian Somerhalder arrive at the 2016 InStyle And Warner Bros. 73rd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, C

Gregg DeGuire/WireImage

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FREDERIC J. BROWN/AFP/Getty Images

GALLERY: Ian Somerhalder Through the Years: GettyImages-532780286.jpg Ian Somerhalder of the series ‘The Vampire Diaries’ attends The CW Network’s 2016 New York Upfront at The London Hotel on May 19, 2016 in New York City.

Daniel Zuchnik/WireImage

GALLERY: Ian Somerhalder Through the Years: GettyImages-620131234.jpg Ian Somerhalder attends PTTOW! SESSIONS and WORLDZ Kickoff Party at Spring Place on November 1, 2016 in New York City.

Ilya S. Savenok/Getty Images