ATGUPDATE: Producers of Speed-the-Plow said in a statement to E! News on Thursday that Lindsay Lohan did perform in Wednesday's shows after all, following a tweet in which she said she was "too ill" to do so, which has been deleted.
"Unfortunately Miss Lohan has been suffering from a viral gastric bug for several days but has shown true professionalism in continuing to perform. However yesterday, on doctor's advice, she rested throughout the day whilst prescription medication took its desired effect and we were delighted that Miss Lohan subsequently felt well enough to perform yesterday evening," they said. "Miss Lohan is feeling much better today and will be performing tonight as scheduled."
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Call in Lindsay Lohan's understudy!
The 28-year-old actress says she is unable to perform in Wednesday's matinee and evening performances of Speed-the-Plow in London, which would mark the first shows she would miss since she made her stage debut in the David Mamet play revival several weeks ago.
"So sorry everyone but Im too ill to perform and down for the count," Lohan tweeted. "Dr wants me to rest. Wont make shows 2nt but pls enjoy #speedtheplow XxL"
The actress began starring in the play, which offers a satirical look at Hollywood, in previews in late September. The production opened officially on Oct. 2. Lohan plays Karen, a sexy temp who works for two male film producers. The production has received mixed reviews.
Lohan typically performs eight times a week—evening shows Monday through Saturday and two afternoon matinees on Wednesdays and Saturdays
The play marks Lohan's most high-profile acting role in about a decade. The Mean Girls star has struggled to revive her career in recent years amid legal and personal turmoil, including past jail and rehab stints.
"I like the idea of being able to fight for what I lost, essentially," Lohan told the U.K. newspaper The Telegraph earlier this month. "I lost a lot of…I wouldn't say…I don't think 'respect' is the word…trust from a lot of people. And I don't mind gaining that back."
Speed-the-Plow is set to end its run in London's West End on Nov. 29. Since she began performing in the show, Lohan has shared several photos on Instagram, thanking fans for support. One picture she had posted last week shows her topless, sitting in front of a mounted nude portrait of Marilyn Monroe.
"Thank you everyone for coming to #speedtheplow - I never take all of the amazing support for granted. #LoveLife," she said on Oct. 24.