Lindsay Lohan's mother insists the troubled actress is not coming out of rehab, despite reports she is due to finish her treatment this weekend.

Dina Lohan, who has just visited Lindsay at the Cirque Lodge clinic in Utah, denied she'll be making a comeback to the Los Angeles scene.

In an email message to Access Hollywood, Dina wrote: "Not true, staying in Utah."

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Lindsay Lohan, pictured near the Utah rehab facility yesterday, is giving peace - and sobriety - a chance

Lindsay, who was yesterday spotted outside the facility smoking and listening to music, checked into the centre in early August following her arrest on July 24 after she crashed her car in Santa Monica. She was in possession of cocaine when she was taken into custody.

It marks her third stint in rehab this year after previous visits to the Wonderland and Promises facilities in Los Angeles.

Dina, Lindsay's siblings Cody and Ali and her formerly estranged father Michael have all visited the actress since she began her latest stint.

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Not checking out: Lindsay's mother says reports she is leaving rehab are untrue

Her publicist this week denined allegations she was involved in the marriage breakdown of her fellow rehab patient Tony Allen and his wife Stephanie.

Her spokesperson told Us magazine: "Lindsay and Tony are friends and that's all. They are supporting one another through a similar experience. This is a friendship based on trust and mutual support and nothing else."

Before rehab, Dina (left with Lindsay's former beau Calum Best) was Lindsay's party pal