Gisele Bündchen explains why she broke up with Leonardo DiCaprio in 2005

Gisele Bündchen is opening up about one of her most famous relationships.

The Brazilian supermodel has been happily married to Tom Brady since 2009, but before she started dating the NFL star in 2006, she had a five-year romance with Leonardo DiCaprio. Now, in the new spring issue of PORTER, Bündchen reveals what went wrong.

"No longer numbing myself with smoking, drinking and too much work, I was becoming more and more aware of things that I'd chosen not to look at," Bündchen, who dated the actor from 2000 to 2005, explains. "Was I alone in wanting to do some serious soul-searching while he stayed the same? In the end, unfortunately, the answer was yes."

7 PHOTOS
Gisele Bundchen and Leonardo DiCaprio together
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Gisele Bundchen and Leonardo DiCaprio together
Leonardo DiCaprio, nominee Best Actor in a Leading Role for 'The Aviator,' and Gisele Bundchen (Photo by Jeffrey Mayer/WireImage)
Leonardo DiCaprio, nominee Best Actor in a Leading Role for 'The Aviator' and Gisele Bundchen at the The 77th Annual Academy Awards - Arrivals at Kodak Theatre in Los Angeles, California. (Photo by Chris Polk/FilmMagic)
Leonardo Di Caprio and Gisele Bundchen arrive. (Photo by Ian West - PA Images/PA Images via Getty Images)
Actor Leonardo DiCaprio (tuxedo by Prada) and girlfriend supermodel Gisele Bundchen (dress by Christian Dior)arrive at the 77th Annual Academy Awards�� at the Kodak Theatre. (Photo by Frank Trapper/Corbis via Getty Images)
EAST RUTHERFORD, NJ - MAY 1: Model Gisele Bundchen and actor Leonardo DiCaprio catch the action between the Miami Heat and the New Jersey Nets in Game four of the Eastern Conference Quarterfinals during the 2005 NBA Playoffs on May 1, 2005 at the Continental Airlines Arena in East Rutherford, New Jersey. The Heat defeated the Nets 110-97 and advance to the Eastern Conference Semifinals. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2005 NBAE (Photo by Ray Amati/NBAE via Getty Images)
LOS ANGELES - MAY 27: Model Gisele Bundchen and Actor Leonardo DiCaprio watch the Minnesota Timberwolves take on the Los Angeles Lakers in Game 4 of the Western Conference Finals during the 2004 NBA Playoffs on May 27, 2004 at Staples Center in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Jed Jacobsohn/Getty Images)
LOS ANGELES, CA - DECEMBER 7: Actor Leonardo Di Caprio (C) and model Gisele Bundchen (L) attend the game between the Los Angeles Lakers and the Utah Jazz on December 7, 2003 in Los Angeles, California. (Photo by Vince Bucci/Getty Images)
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Bündchen began dating Brady after her breakup from DiCaprio. The two tied the knot in 2009 and share two children together -- son Benjamin, 9, and daughter Vivian, 6. Brady also shares 11-year-old Jack from his previous relationship with Bridget Moynahan.

"It's so funny. Tom actually loves clothes more than I do," Bündchen reveals. "Sometimes I'm like, 'What is all this clothing that is showing up at my house?' He just loves it. The only time he asks me advice about clothes is when we go to the Met Ball, and he wants to coordinate with what I’m wearing."

This weekend, Bündchen will be cheering on Brady as his team, the New England Patriots, take on the Los Angeles Rams during Super Bowl LIII. The Pats are hoping to regain their Super Bowl championship title after losing to the Philadelphia Eagles last year. It's also a special game for Brady, as it marks his ninth appearance with coach Bill Belichick, the most of any quarterback-coach duo in NFL history.

24 PHOTOS
Gisele Bundchen and Tom Brady through the years
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Gisele Bundchen and Tom Brady through the years
NEW YORK CITY, NY - MARCH 11: Gisele Bundchen and Tom Brady attend ERMENEGILDO ZEGNA Store Opening Cocktail Party For The Robin Hood Foundation at Ermenegildo Zegna Store 5th Ave on March 11, 2008 in New York City. (Photo by DAVID X PRUTTING/Patrick McMullan via Getty Images)
CLEVELAND - JUNE 14: Model Gisele Bundchen and New England Patriots quarterback Tom Brady sit courtside for Game Four of the NBA Finals between the Cleveland Cavaliers and the San Antonio Spurs at the Quicken Loans Arena on June 14, 2007 in Cleveland, Ohio. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2007 NBAE (Photo by Nathaniel S. Butler/NBAE/Getty Images)
NEW YORK - MAY 05: Actress/model Gisele Bundchen and athlete Tom Brady attend the Metropolitan Museum of Art Costume Institute Gala 'Superheroes: Fashion And Fantasy' at the Metropolitan Museum of Art on May 5, 2008 in New York City. (Photo by Dimitrios Kambouris/WireImage)
BOSTON - MAY 22: Tom Brady of the New England Patriots and Gisele Bundchen watch as the Detroit Pistons play against the Boston Celtics during Game Two of the 2008 NBA Eastern Conference finals at the TD Banknorth Garden on May 22, 2008 in Boston, Massachusetts. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement (Photo by Elsa/Getty Images)
NO MIDDLE EAST/INDIA/RUSSIA Photos � 2008 Freddy Baez/The Grosby Group - New York Sept 24, 2008 GISELE BUNDCHEN and TOM BRADY out and about in West Village after doing some shopping. PGfrb6 (Photo by Philip Ramey/Corbis via Getty Images)
�2009 RAMEY PHOTO NO SPAIN , NO ITALY, NO MIDDLE EAST, NO RUSSIA Brasil, March 15, 2009 GISELE BUNDCHEN and husband TOM BRADY leave the small town of Horizontina in the south of Brasil, after spending the weekend. Gisele took Tom there to introduce him to her family in the town where she was born. The couple took a small private plane that will take them to the large city Sao Paulo where they will continue with their honeymoon. PGpg68 (Photo by Philip Ramey/Corbis via Getty Images)
NEW YORK - MAY 04: NFL player Tom Brady and model Gisele Bundchen attends 'The Model as Muse: Embodying Fashion' Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City. (Photo by Stephen Lovekin/Getty Images)
�2010 RAMEY PHOTO EXCLUSIVE! NO SPAIN/ NO ITALY/ NO RUSSIA Sao Paulo, Brazil, March 29, 2010 GISELE BUNDCHEN and TOM BRADY take their baby Benjamin, for lunch at Cafe La Musique in Sao Paulo. The Brady family traveled to Brazil for Gisele's sister wedding. PGrbs68 (Photo by Philip Ramey/Corbis via Getty Images)
�2010 RAMEY PHOTO Gisele Bundchen, Tom Brady and their baby ride on a boat in Paris. 040910 DLM/TM (Photo by Philip Ramey/Corbis via Getty Images)
Tom Brady and model Gisele B�ndchen attends the Costume Institute Gala Benefit to celebrate the opening of the 'American Woman: Fashioning a National Identity' exhibition at The Metropolitan Museum of Art on May 3, 2010 AFP PHOTO /TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
NEW YORK, NY - MAY 02: Model Gisele Bundchen (L) and NFL player Tom Brady (R) attends the 'Alexander McQueen: Savage Beauty' Costume Institute Gala at The Metropolitan Museum of Art on May 2, 2011 in New York City. (Photo by Dimitrios Kambouris/FilmMagic)
BOSTON - APRIL 20: Tom Brady and Gisselle Bundchen kiss in a roof box stand during the seventh inning stretch as the Boston Red Sox face the New York Yankees on the 100th anniversary of Fenway Park. (Photo by John Tlumacki/The Boston Globe via Getty Images)
NEW YORK, NY - MAY 07: Tom Brady and Gilele Bundchen attend the 'Schiaparelli And Prada: Impossible Conversations' Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City. (Photo by Randy Brooke/WireImage)
Gisele Bundchen and Tom Brady attends the Costume Institute Benefit at The Metropolitan Museum of Art May 6, 2013, celebrating the opening of Punk: Chaos to Couture. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
BOSTON, MA - MARCH 27: Tom Brady and Gisele Bundchen are seen on March 27, 2014 in Boston, Massachusetts. (Photo by Stickman/Bauer-Griffin/GC Images)
NEW YORK, NY - MAY 05: Tom Brady and Gisele Bundchen attend the 'Charles James: Beyond Fashion' Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014 in New York City. (Photo by Rabbani and Solimene Photography/Getty Images)
Brazilian model Gisele Bundchen (R) gestures alongside US American football player Tom Brady during a closing ceremony ahead of the final football match between Germany and Argentina for the FIFA World Cup at The Maracana Stadium in Rio de Janeiro on July 13, 2014. AFP PHOTO / CHRISTOPHE SIMON (Photo credit should read CHRISTOPHE SIMON/AFP/Getty Images)
FOXBOROUGH, MA - AUGUST 11: New England Patriots quarterback Tom Brady was met after practice on August 11, 2014 by his wife Gisele Bundchen and their son and daughter. The Patriots held an afternoon practice session on the fields outside of Gillette Stadium. (Photo by Jim Davis/The Boston Globe via Getty Images)
GLENDALE, AZ - FEBRUARY 01: Tom Brady #12 of the New England Patriots kisses his wife Gisele Bundchen after defeating the Seattle Seahawks during Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. The Patriots defeated the Seahawks 28-24. (Photo by Jamie Squire/Getty Images)
BOSTON, MA - AUGUST 30: Tom Brady and Gisele Bundchen are seen riding bicycles on August 30, 2014 in Boston, Massachusetts. (Photo by Stickman/Bauer-Griffin/GC Images)
NEW YORK, NY - APRIL 30: (EXCLUSIVE COVERAGE) Tom Brady, Gisele Bundchen, Robert Kraft, Danny Amendola and Julian Edelman attend the Gisele Bundchen Spring Fling book launch on April 30, 2016 in New York City. (Photo by Bryan Bedder/Getty Images for Goat Communications)
NEW YORK, NY - SEPTEMBER 21: Professional Football player Tom Brady and wife, model Gisele Bundchen attend National Geographic's 'Years Of Living Dangerously' new season world premiere at the American Museum of Natural History on September 21, 2016 in New York City. (Photo by Michael Loccisano/Getty Images)
Feb 5, 2017; Houston, TX, USA; New England Patriots quarterback Tom Brady (12) hugs his wife Gisele Bundchen after beating the Atlanta Falcons during Super Bowl LI at NRG Stadium. Mandatory Credit: Matthew Emmons-USA TODAY Sports
NEW YORK, NY - MAY 01: Tom Brady (L) and Gisele Bundchen attend the 'Rei Kawakubo/Comme des Garcons: Art Of The In-Between' Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City. (Photo by Mike Coppola/Getty Images for People.com)
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