Conor McGregor, star of UFC: 33 photos on his 33rd birthday

Former UFC two-division champion recovering from surgery on his broken leg

Ireland's Conor McGregor leaves the cage after defeating USA's Marcus Brimage in their UFC fight at the Globe Arena in Stockholm, Sweden, on April 6, 2013.

Conor McGregor kicks Max Holloway in their featherweight bout at TD Garden on August 17, 2013 in Boston, Massachusetts.

Conor McGregor leaves the ring after beating Brazil's Diego Brandao in their featherweight bout at the UFC Fight Night at the O2 in Dublin.

Conor McGregor punches Dustin Poirier in their featherweight bout during the UFC 178 event on September 27, 2014 in Las Vegas, Nevada.

Conor McGregor celebrates with girlfriend Dee Devlin after defeating Chad Mendes during their interim featherweight title mixed martial arts bout at UFC 189 on July 11, 2015, in Las Vegas.

Conor McGregor reacts after defeating Jose Aldo for the UFC featherweight title in Las Vegas in 2015.

Conor McGregor meets fans at a Reebok UFC Combat Gear retail event held at Lifestyle Sports on October 22, 2015 in Dublin, Ireland.

Nate Diaz applies a choke hold to win by submission against Conor McGregor during UFC 196 on Sunday morning in Las Vegas in 2016.

UFC president Dana White speaks beside an empty chair where Conor McGregor was supposed to sit during a news conference for UFC 200 on April 22, 2016, in Las Vegas.

Conor McGregor punches Nate Diaz during their welterweight bout at UFC 202 on August 20, 2016, in Las Vegas.

Conor McGregor holds up his title belts after he defeated Eddie Alvarez during a lightweight title bout at UFC 205 on November 13, 2016, at Madison Square Garden in New York.

Conor McGregor celebrates his UFC 202 victory during the official after-fight party at Intrigue Nightclub at Wynn Las Vegas on August 20, 2016 in Las Vegas, Nevada.

Floyd Mayweather Jr lands a hit against Conor McGregor during their boxing match at the T-Mobile Arena on August 27, 2017.

Conor McGregor attends his after fight party and his Wynn Nightlife residency debut at the Encore Beach Club on August 27, 2017 in Las Vegas, Nevada.

Conor McGregor works out at the UFC Performance Center in Las Vegas on August 11, 2017.

Conor McGregor looks on as money rains down during the Floyd Mayweather Jr. v Conor McGregor world press tour event on July 13, 2017 in New York City.

Conor McGregor poses with his partner Dee upon arrival to attend the world premiere of the documentary film 'Conor McGregor: Notorious' at the Savoy Cinema in Dublin, Ireland, on November 1, 2017.

Italian designer Donatella Versace, British Formula One driver Lewis Hamilton and Conor McGregor at the British Fashion Awards at the Royal Albert Hall in London on December 4, 2017.

Conor McGregor at the British Fashion Awards in London on December 4, 2017.

Conor McGregor walks out of the 78th police precinct after charges were laid against him following a late night melee in the Brooklyn borough of New York City on April 6, 2018.

Russian President Vladimir Putin and Conor McGregor.

Khabib Nurmagomedov, left, punches Conor McGregor during their UFC 229 clash which he won on October 7, 2018.

Conor McGregor during St. Patrick's Day in Chicago on March 16, 2019.

UFC fighter Conor McGregor kicks around a football on the field prior to the start of Super Bowl LIII between the New England Patriots and the Los Angeles Rams at Mercedes-Benz Stadium in Atlanta on February 3, 2019.

Conor McGregor during the Super Bowl at the Mercedes-Benz Stadium in Atlanta, Georgia, on February 3, 2019.

Conor McGregor at the 62nd Grammy Awards in Los Angeles, California, on January 26, 2020,

Conor McGregor arriving at Fight Island ahead of his UFC 257 bout with Dustin Poirier on January 18, 2021. Courtesy UFC

Conor McGregor on board a luxury yacht in Abu Dhabi ahead of his fight with Dustin Poirier at UFC 257 earlier this year. @TheNotoriousMMA / Twitter

Dustin Poirier punches Conor McGregor in a lightweight fight during UFC 257 at the Etihad Arena on January 23, 2021 in Abu Dhabi.

Conor McGregor moves in for a hit against Dustin Poirier during UFC 264 at T-Mobile Arena.

Conor McGregor is carried off a stretcher following an injury suffered against Dustin Poirier during UFC 264 at T-Mobile Arena on Jul 10, 2021 in Las Vegas,

Conor McGregor at Archies Burger and Shakes in Manchester.

Conor McGregor out and about in New York in 2018.

Still no doubt coming to terms with his defeat this week to Dustin Poirier at UFC 264, Conor McGregor is recovering from surgery on his broken leg sustained in Sunday's loss.

However, there is some reason to cheer for the Irishman, with the former UFC two-division champion celebrating his 33rd birthday on Wednesday. Here's a look back through pictures on his transcendent mixed martial arts career.