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Lindsay Lohan may need to brush up on her manners.

The 26-year-old actress has yet to thank Charlie Sheen for his generous $100,000 gift toward her unpaid taxes, Sheen told ET.

Though the “Anger Management” actor wouldn’t confirm how much he gave Lindsay, he did say the money he gave to her was owed to her for her work, presumably on the film they worked on together, “Scary Movie 5.”

“They owed her money and didn’t pay it so I took care of it,” he said.

But his gift has seemingly gone unnoticed.

“[I’m] still waiting for a text to say thank you,” he said, laughing. “Anything. Anything, you know?”

But the actor may not get his thank you anytime soon. Lohan is currently out of the country, hanging out with her apparent new favorite band The Wanted.

“I heart the UK,” she tweeted yesterday. She also posted a tweet from The Wanted’s singer Max George, in which he stated he was in England.

Because she is overseas, the “Liz & Dick” star will miss a court date in Los Angeles on Wednesday pertaining to her car crash in June, E! reported.

E! noted it is not mandatory for Lohan to attend because her charges in Los Angeles are misdemeanors.

Still, it seems since Lohan attended The Wanted's concert on Nov. 28, the actress can't get enough of the boy band.

Lohan turned up backstage at the Philadelphia Jingle Ball with The Wanted on Dec. 5, and following the concert, TMZ reported LiLo hopped on the boys’ tour bus and headed to Boston with them for their next show.

Rumor has it Lohan is interested in band member George, 24, and some reports claimed her New York City arrest on Nov. 29 came after an argument over the U.K. singer.

But band mate Jay McGuiness told MTV News he didn’t think that was the case.

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"It's a bit of a blur actually, but some sort of scuffle with a fortune teller," he said. "We actually carried on partying after that. It was reported that [the fight] was about Max, but I don't think it actually was. But [Lohan] was a total sweetheart on the night, so our experience is quite positive."

Lohan is due in court Jan. 7 to respond to the assault charge.