Lindsay Lohan is set to drop her last name in an attempt to put her troubled past behind her, according to the actress' mother.

The Mean Girls star is planning to re-launch herself as simply 'Lindsay' as she struggles to rebuild her career following a string of personal problems and stints in jail and rehab.

And in an apparent snub to Lindsay's father Michael Lohan, her younger sister Ali and mother Dina are also planning to drop the family name and use Dina's maiden moniker 'Sullivan' instead.

Dina tells, "Lindsay is dropping the Lohan and just going by Lindsay. Plus, me and Ali will be officially changing our last names back to my maiden name, Sullivan."

Lindsay and her mother have been engaging in a public war of words with Michael Lohan since his divorce from Dina was finalized in 2007.

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