Britney Spears Jokes That Her Sister Jamie Lynn Is Part of Fifth Harmony -- See the Hilarious Pic!

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Britney Spears has found Camila Cabello's replacement!

The 35-year-old singer took to Instagram on Tuesday to reveal Fifth Harmony's newest member: her sister, Jamie Lynn!


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"My sister is now the fifth member ???," Spears joked alongside a pic of a photoshopped pic of Jamie Lynn posing with the band. 

View this post on Instagram

My sister is now the fifth member 😜😜😜

A post shared by Britney Spears (@britneyspears) on

The "Piece of Me" singer is clearly having a fun with her little sis.

"When I'm with my sister she makes my stomach hurt so bad from laughing! ?," she captioned a photo of Jamie Lynn just before their photoshop joke.


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While Spears can't get enough of Jamie Lynn, she's also been enjoying spending time with her new beau, Sam Asghari.

See the pop star reveal what sparked her interest in the fitness model in the video below.