The star made his debut in the mid-2000s, rising to fame with gigs onTraumaandThe Vampire Diaries.

In honor of Kinney’s big day, see 35 photos of the actor through the years, ahead.

Taylor Kinney Through the Years

Kevin Mazur/Getty Images; Matt Dinerstein/NBC/NBCU Photo Bank via Getty Images; Christopher Polk/NBC; Jason LaVeris/FilmMagic

Taylor Kinney on July 20, 2006

Alison Buck/WireImage

Taylor Kinney in Washington, D.C. on August 30, 2006

Paul Morigi/WireImage

Taylor Kinney on November 19, 2006

Mark Sullivan/WireImage

Taylor Kinney in Pasadena, Calif. on August 5, 2009

Jason Merritt/Getty Images

Taylor Kinney as Glenn Morrison in Trauma on October 5, 2009

Paul Drinkwater/NBCU Photo Bank

Taylor Kinney as Glenn Morrison in Trauma on November 9, 2009

Chris Haston/NBCU Photo Bank

Taylor Kinney in Pasadena, Calif. on October 21, 2011

Jason LaVeris/FilmMagic

Taylor Kinney as Kelly Severide in Chicago Fire on March 17, 2012

Matt Dinerstein/NBCNBCU Photo Bank

Taylor Kinney in Chicago Fire on July 15, 2012

Matt Dinerstein/NBC/NBCU Photo Bank

Taylor Kinney as Kelly Severide in Chicago Fire on August 1, 2012

Matt Dinerstein/NBC/NBCU Photo Bank

Taylor Kinney as Kelly Severide in Chicago Fire on August 13, 2012

Matt Dinerstein/NBC

Taylor Kinney as Kelly Severide in Chicago Fire on October 11, 2012

Elizabeth Morris/NBC/NBCU Photo Bank

Taylor Kinney With His Brother Trent Kinney in Los Angeles on November 7, 2012

Alberto E. Rodriguez/Getty Images

Taylor Kinney as Kelly Severide in Chicago Fire on December 21, 2012

Elizabeth Morris/NBC/NBCU Photo Bank via Getty Images

Taylor Kinney With Jesse Spencer in Pasadena, Calif on April 22, 2013

Jason LaVeris/FilmMagic

Taylor Kinney as Kelly Severide in Chicago Fire on August 9, 2013

Elizabeth Morris/NBC/NBCU Photo Bank

Taylor Kinney at the 71st Annual Golden Globe Awards on January 12, 2014

Jeff Vespa/WireImage

Taylor Kinney as Kelly Severide in Chicago Fire on January 14, 2014

Elizabeth Morris/NBC/NBCU Photo Bank

Taylor Kinney at the Los Angeles Premiere of The Other Woman on April 21, 2014

Jon Kopaloff/FilmMagic

Taylor Kinney in New York City on May 20, 2014

Andrew Kent/Getty Images

Taylor Kinney as Kelly Severide in Chicago Fire on October 3, 2014

Elizabeth Morris/NBC/NBCU Photo Bank

Taylor Kinney Participating in a Ride to Benefit the 100 Club of Chicago at Flywheel Sports on October 5, 2014

Daniel Boczarski/Getty Images

Taylor Kinney With Lady Gaga at the 37th Annual Kennedy Center Honors on December 7, 2014

Paul Morigi/WireImage

Taylor Kinney in Pasadena, Calif. on January 16, 2015

Christopher Polk/NBC

Taylor Kinney With Lady Gaga at the Chicago Polar Plunge on March 1, 2015

Tasos Katopodis/Getty Images

Taylor Kinney at Operation Smile’s 4th Annual Celebrity Ski & Smile Challenge on March 14, 2015

Kristin Murphy/Getty Images

Taylor Kinney as Kelly Severide in Chicago Fire on July 17, 2015

Chris Haston/NBC/NBCU Photo Bank

Taylor Kinney With Lady Gaga at the Premiere Screening of American Horror Story: Hotel on October 3, 2015

Steve Granitz/WireImage

Taylor Kinney at the Rock The Kasbah New York Premiere on October 19, 2015

Andrew Toth

Taylor Kinney With Lady Gaga at the Billboard Women In Music on December 11, 2015

Kevin Mazur/Getty Images

Taylor Kinney in Chicago on November 9, 2015

Daniel Boczarski/Getty Images

Taylor Kinney at the People’s Choice Awards on January 6, 2016

Kevin Winter/Getty Images

Taylor Kinney With Lady Gaga at the 73rd Annual Golden Globe Awards on January 10, 2016

Jason Merritt/Getty Images

Taylor Kinney With Lady Gaga at the 88th Annual Academy Awards on February 28, 2016

Jason Merritt/Getty Images

Taylor Kinney as Kelly Severide in Chicago Fire on March 22, 2016

Elizabeth Morris/NBC/NBCU Photo Bank