Music

The 'Slumber Party' hitmaker has taken to her Instagram account to jokingly reveal that her sister is Camila Cabello's replacement, and the girl group's reaction is everything.

• Jan 25, 2017

AceShowbiz - Britney Spears says Fifth Harmony has found Camila Cabello's replacement in her sister Jamie Lynn Spears. The "Slumber Party" hitmaker took to her Instagram account on Tuesday, January 24 to jokingly reveal that her sister's the fifth member of the girl group.

"My sister is now the fifth member," Britney captioned an edited picture of Jamie posing with the four remaining members of the girl group, Lauren Jauregui, Ally Brooke, Normani Kordei and Dinah Jane. The unlikely new member could also be seen donning a matching red dress.

A photo posted by Britney Spears (@britneyspears) on Jan 24, 2017 at 1:47pm PST

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Fifth Harmony responded to Britney's post just moments later. The girl group also appeared to have fun as they joked that the 35-year-old pop star herself would join them, too. "We've got plenty of room for a Sixth," they wrote in the comment section, adding a heart-eyes emoji.