In Los Angeles, the 40-year-old married longtime boyfriend Sam Asghari on Thursday.

According to Harpers Bazaar, Toxic walked down the aisle in a Versace wedding gown and then changed into 

Three different outfits, including a black Versace minidress, a two-tone outfit and a red fringe minidress.

Her special day was celebrated by several A-listers, including Madonna, Selena Gomez, Drew Barrymore, Maria Menounos, Paris Hilton,

Carter Reum and mom Kathy Hilton. She shared photos and videos from her "most spectacular day" on Friday.

She captioned one post, "We got married! It was the most spectacular day! I was so nervous all morning, 

But by 2:00 pm, I realized: we're getting married." After having a panic attack, Spears continued

But by 2:00 pm, I realized: we're getting married." After having a panic attack, Spears continued

We had an incredible ceremony, and the party was even better! The wedding was attended by so many incredible people

and I'm still in shock. Drew Barrymore, my girl crush, and Selena Gomez, who btw is way prettier in person, both came.

I was speechless. After kissing Madonna once again, I danced into the night with Paris Hilton."

She went on to thank designer Donatalle Versace, make-up artist Charlotte Tilbury, jewellery designer

Stephanie Gottlieb and make-up artist Sofia Schwarzkopf-Tilbury.

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