JOHN CENA looked unrecognizable in a series of throwback pictures posted online.

The 45-year-old icon has been in WWE for two decades.

John Cena looked unrecognizable in a series of throwback picsCredit: WWE

The wrestling icon in his younger daysCredit: WWE

And in a bodybuilding competition before he started wrestlingCredit: WWE

John Cena and music legend Snoop DoggCredit: WWE

Cena’s debut came on Smackdown on June 27, 2002.

And his achievements were celebrated by the WWE after a legendary career.

The month of June has been named ‘Cena month’ in honour of the wrestler turned movie star.

And 110 photos were posted in a nostalgic gallery of Cena through the years.

The full gallery is available to view HERE and features backstage and behind-the-scenes images.

One of those is from after the clash with The Undertaker at Wrestlemania 34 in 2018.

He also rocked a rather different hairdo in his early days wrestling.

And his muscly physique is also explained by old pictures of Cena competing in bodybuilding competitions.

Cena was spotted at Premier League club Chelsea last month with their new owner Todd Boehly.

The wrestler was at Stamford Bridge while Dodgers boss Boehly checked in on his new investment.

WWE shared 110 throwback photos of the wrestling lenegdCredit: Instagram

John Cena poses with members of the militaryCredit: WWE

John Cena made his WWE debut two decades ago on an episode of SmackdownCredit: Getty