Taylor Swift & Dianna Agron: Shirley MacLaine's Birthday Celebration!

Taylor Swift and Dianna Agron celebrate the legendary actress Shirley MacLaine‘s birthday on Tuesday (April 24) at Beverly Hills Polo Lounge in Beverly Hills, Calif.

The two entertainers and their gal pals got dolled up in pastel dresses and flower crowns before heading out.

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The girls posted several photos on Instagram to capture their memorable night!

“We dressed up full-time fancy & went out in celebration of Shirley MacLaine‘s birthday, ” tweeted Taylor.

Dianna added, “Had a long day & don’t know what to celebrate later…? Because you need a moment to be young? Find your moments…”

10+ pictures inside of Taylor Swift and Dianna Agron celebrating…