Britney Spears celebrates sons' birthday with fun skater-themed party

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Britney Spears knows how to have some birthday fun!

The 33-year-old pop star held a joint birthday for her sons, Jayden James and Sean Preston. From the looks on their faces, the trio had a blast at the Skatelab in Simi Valley, California, on Saturday.

WATCH: Britney Spears Shares Pics From Family Trip To Hawaii

Why a double celebration? The boys' birthdays are just days apart! Jayden James turned 9 on Sept. 8, while Sean Preston will turn 10 on Monday.

Take a look at some pictures of Britney Spears throughout the years:

Britney Spears & boyfriends through the years
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Britney Spears celebrates sons' birthday with fun skater-themed party
UNITED STATES - SEPTEMBER 28: Britney Spears sits at a screening of 'Drive Me Crazy' at Union Square Theater with Robbie Carrico. (Photo by Richard Corkery/NY Daily News Archive via Getty Images)
LAS VEGAS - DECEMBER 08: Musician Britney Spears and husband Kevin Federline arrive at the 2004 Billboard Music Awards at the MGM Grand Garden Arena on December 8, 2004 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)
Britney Spears arrives with her boyfriend Adnan Ghalib (R) at the Los Angeles County Superior courthouse 14 January 2008 for a hearing regarding visitation rights for her two sons that she has with ex-husband Kevin Federline. AFP PHOTO/Gabriel BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
Jason Trawick (L) and Britney Spears arrive at the 2011 MTV Video Music Awards (VMAs) August 28, 2011 at the Nokia Theatre in downtown Los Angeles, California. AFP PHOTO / Frederic J. Brown (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
LOS ANGELES, CA - SEPTEMBER 11: Singer Britney Spears (L) and fiance agent Jason Trawick appear at the premiere of Fox's 'The X Factor' Season 2 and handprint ceremony at the Chinese Theatre on September 11, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
WEST HOLLYWOOD, CA - MARCH 02: Recording artist Britney Spears (L) and David Lucado attend Neuro at the 22nd Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park on March 2, 2014 in West Hollywood, California. (Photo by Charley Gallay/Getty Images for Neuro)

The "Toxic" singer even posted a silly selfie with her birthday boys on Instagram. "Happy birthday to my boys," she gushed. "Love you so much Jayden and Preston!"

Happy birthday to my boys.... love you so much Jayden and Preston! 🎉🎂❤️

A photo posted by Britney Spears (@britneyspears) on

Spears also shared pictures of her little skater boys enjoying themselves at the skateboard-themed party, which included a custom made DJ-inspired cake. "Thank you @skatelab and @lindacohencakepops for making this day so special," she wrote.

Thank you @skatelab and @lindacohencakepops for making this day so special 🎈

A photo posted by Britney Spears (@britneyspears) on

The boys' father and Spears' ex-husband, Kevin Federline, also attended the party and was very impressed by the sweet treats. "This cake is so dope," he wrote on Instagram.

This cake is so dope.. Jayden and Preston Bday cake... #imadj

A photo posted by Kevin Federline (@federline4real) on

The fun continued in the car with Spears and her boys having an impromptu dance party on the way home.


A video posted by Britney Spears (@britneyspears) on

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