Former Australian cricket star Shane Warne has dismissed rumours the he's had plastic surgery.

The famous cricketer commented on the rumors through his Twitter account after a picture of him at an event in Melbourne sparked a whirl of speculation.

"NO have not had facelift or any work done to face, training hard and lost 5kg. Yes have had teeth whitened," the Daily Telegraph quoted him as tweeting.

"NO have not had hair transplant, have re-grown my own hair with laser therapy!! It works and happy with results!! (ANI)