Lindsay Lohan — No Drugs or Booze for Me at Coachella

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Lindsay Lohan is going on her yearly pilgrimage to a place where drugs and alcohol are as plentiful as Botox in Bev Hills … but she SWEARS she”ll stay clean.

Lindsay is telling friends … she doesn”t care about all the snipers who are scoffing at the recidivist rehabber — she says she”s not living her life for other people.

LiLo insists she”s going for the music and wants to have some fun — just like last year (above) — before checking into the rehab facility for a 90-day stay.

Lindsay is also insisting she doesn”t have a problem with drugs or alcohol … leading lots of us to wonder how on earth rehab is going to work.  In fact, Michael Lohan told us Thursday on our sources Live … he expects his daughter will fail.

And there”s this … The judge in her criminal case warned her to stay away from people who do drugs or alcohol.  This is an IMPOSSIBILITY at Coachella.