Stone Cold Steve Austin has warned Justin Bieber to "straighten his act up."
The former WWE wrestling star is upset the 19-year-old 'Confident' singer has got himself into so much trouble recently - with him facing legal problems in Toronto for allegedly assaulting a limo driver, Los Angeles for allegedly egging a neighbour's house and in Miami where he was arrested for driving under the influence (DUI), resisting arrest and driving without a licence - because he doesn't want him to waste his talent.
Addressing the teen star directly on The Arsenio Hall Show, Steve said: "Justin, straighten you act up or I'm gonna come and find you and put my size 13 foot up your ass!"
Speaking about the directness of his message, he added: "Sometimes you just got to keep it simple."
While Steve, 49, has officially retired from wrestling, he still makes sporadic appearances with the WWE, and has an acting career.
After being officially charged with assault in Toronto on Wednesday, Justin enjoyed some downtime in his home territory of Ontario before yesterday jetting to New Jersey in the US for the NFL Super Bowl.
However, his private jet was delayed upon landing and searched by customs officials after they allegedly smelled marijuana. No illegal drugs were found but the star was subject to extended questioning before being let into the country, because he has two pending criminal cases against him.