Lindsay Lohan partied in New York on Wednesday night in celebration of her younger brother Michael Jr.'s 24th birthday, and we've got all the pics here for you on RadarOnline.com.

The Mean Girls star kept warm in a black fur coat and studded Louboutin boots, puffing on cigarettes on the wintry night outside of swanky eaterie Beaumarchais in Gotham's trendy Meatpacking District.

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Lindsay, 25, made headlines earlier this month when the cover and pictorial for her upcoming Playboy issue leaked online; she was reportedly paid a $1 million fee for the Marilyn Monroe inspired shoot.

Her family really does have good genes -- and jeans!

PHOTOS: Lindsay Strikes A Pose!

Lindsay Lohan -- hanging out with her little brother Michael, Jr. -- struck a post for cameras Monday night in New York, and RadarOnline.com has the brand new pics of the Mean Girls star.

Lohan -- showing off her DL 1961 Britney in Nile Premium Denim jeans -- arrived in the Big Apple Sunday to a media frenzy at JFK Airport.

PHOTOS: Lindsay & Family Arrive In New York

No doubt that's why she was spotted checking out a spa in Manhattan for a little pampering.

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Lindsay Lohan is facing a drought in her acting career right now but that didn’t stop her from promoting younger brother Michael Jr.’s short film -- and RadarOnline.com has the video.

“My lil brother Mike in this new short film!” Lindsay posted on her Twitter account Wednesday.

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Titled Razors and Balloons, the video is shot in black and white and has Michael, who goes by Michael C. Lohan in the credit, repeatedly spitting bottle caps out of his mouth – and losing a tooth at one point.

Lindsay Lohan's younger brother plans on following her lead by stepping into the entertainment industry and even has a movie in the works, according to their mother, Dina.

"Her brother wants to go back to acting now," Dina told RadarOnline.com in an exclusive new interview about Michael Jr., who is just one year younger than Lindsay.

"We're working on a movie for him, and I am the executive producer, with Michael being the star."

Britney Spears’ former manager Sam Lutfi is NOT stalking Lindsay Lohan – but he did send her a text message, according to the actress’ dad Michael Lohan.

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“I don’t know how Sam got Lindsay’s number but what I do know is that Sam Lutfi only sent Lindsay one text which said negative things about Dina,” Michael revealed to RadarOnline.com in exclusive interview.

“I don’t know what his deal is but I told him, ‘Don’t you ever text my daughter again.’”

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Dina Lohan is allegedly shopping a new reality show pegged to her daughter Lindsay’s current trip to rehab.

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Lindsay is currently undergoing treatment at The Betty Ford Center in Palm Springs. As RadarOnline.com previously reported, she is being treated for an addiction to cocaine.

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According to Kickster, Dina is planning for an upcoming visit with Lindsay and is allegedly hoping to sell photos of the trip (which her other kids Michael Jr., 22, Ali, 16, and Cody, 13, will be present for).

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