Britney Spears' wedding toSam Asghariis expected to be a star-studded affair!

Ahead of their upcoming wedding on Thursday, sources close to the couple tell PEOPLE that celebrities includingMadonna,Paris Hilton,Selena Gomez,Kate Hudson, andGwyneth Paltroware anticipated to attend the intimate ceremony.

Britney Spears and Madonna.KMazur/WireImage

Britney Spears and Madonna

They’ve since remained supportive of one another, asMadonna publicly called for the end of Spears' conservatorshipin 2021, while Spears has danced to the “Express Yourself” hitmaker’s songs onInstagram.

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Spears and Hilton, 41, have remained longtime friends since their days as young stars in the early 2000s. Shortly before the November 2021 dissolution of Spears' 13-year conservatorship, Hilton penned an essay about the “Stronger” musician forTime.

Paris Hilton and Britney Spears in 2007.Chris Polk/FilmMagic/Getty

Paris Hilton and Britney Spears

“When I think of Britney Spears, I see the sweetest soul. A mother. A friend. A fighter,” wrote Hilton. “A young woman who grew up in the tabloid culture of the 2000s, when the paparazzi machine was accepted, unforgiving and cruel.”

Britney Spears, Madonna, Paris Hilton.Alberto E. Rodriguez/Getty; Karwai Tang/WireImage; Victor Chavez/WireImage

Britney Spears, Madonna, Paris Hilton

Britney Spears and Selena Gomez.Anthony Harvey/Getty

Britney Spears and Selena Gomez

Spears has since praisedGomez’sRevivalalbum in a 2016 interviewandquoted her song “Kill Em with Kindness” on Instagramin a 2020 post, which received a sweet comment from the formerWizards of Waverly Placestar. “You’ve always been beautiful and a huge inspiration to me,” Gomez wrote. “You’re rare beauty!!!”

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Britney Spears and Sam Asghari.J. Merritt/Getty

BEVERLY HILLS, CA - APRIL 12: Honoree Britney Spears (L) and Sam Asghari attend the 29th Annual GLAAD Media Awards at The Beverly Hilton Hotel on April 12, 2018 in Beverly Hills, California. (Photo by J. Merritt/Getty Images for GLAAD)

Last year,Paltrow commented #FreeBritneyon an Instagram post about Spears following the release ofThe New York Times' documentaryFraming Britney Spears.

source: people.com