Taylor Swift Twitter

Taylor Swift tweeted this adorable photo from Dianna Agron's birthday party--would you believe Dianna turns 26 today?

Happy birthday, Dianna!

Taylor shared a photo from Dianna's circus themed party and all the ladies in attendance definitely played the part.

Yep, Taylor, Dianna and friends are seen in the pic wearing circus-centric costumes to celebrate the Glee star's big day.

This isn't the first time Taylor and Dianna have gotten together to wear costumes--earlier in the week, they celebrated Shirley MacLaine's 78th birthday by dressing up.

Weird, right?

Taylor looked adorable in a tiger outfit, while Dianna channeled her inner trapeze artist.

Taylor shared the photo, with the tweet: "The most magical night at @DiannaAgron's circus themed birthday party!"

So cute!

Read what Taylor had to say about BFF Selena Gomez.

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