Actors David and Georgia Tennant took to Instagram on Sunday and celebrated a milestone for their youngest daughter. On her account, Georgia shared an adorable picture of her and David with their little baby daughter Birdie and it's just to die for. The 35-year-old actress can't believe that Birdie is already five months old.

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Georgia Tennant poses with husband David and baby Birdie

The picture sees Birdie hiding behind her own foot with her proud parents in the background. "Instagram savvy already. #quiteafeetfor5months #saycheese #ornot," Georgia captioned the cute new picture. 

The reactions did not take long to pile up under the post - her followers are loving the snapshot. One of her followers commented "That makes me feel just happy you're sharing. So much love, thank you" while one other fan remarked: "This fills my heart with rainbows."

Birdie is Georgia and David's fifth child. The couple met on the set of Doctor Who (David was the "Tenth Doctor") back in 2008 and they got married in 2011. Fun Fact: Georgia's father Peter Davison actually played the "Fifth Doctor" on Doctor Who from 1981 until 1984. 

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