Lena Dunham shares photo of Girls co-star Jemima Kirke on

This time Lena didn't share a belly-baring selfie - instead she shared a snap of her Girls co-star captured in a candid moment while wearing nothing but underwear.

Zosia Mamet, Lena Dunham, Jemima Kirke, and Allison Williams Editorial Stock Photo - Image of mamet, american: 48687548

Lena Dunham shares photo of Girls co-star Jemima Kirke on Instagram

Jemima kirke and lena dunham hi-res stock photography and images - Page 3 - Alamy

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Found some yearbook photos of Jemima Kirke and Lena Dunham : r/girls

Found some yearbook photos of Jemima Kirke and Lena Dunham : r/girls

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Jemima Kirke says Lena Dunham is the only 'Girls' co-star she's still in touch with — but would be up for a reboot

Lena Dunham shares photo of Girls co-star Jemima Kirke on Instagram