Taylor Swift Spent Halloween As Olaf From Frozen & She Had Alessia Cara AND Idina Menzel With Her On Stage!

So fun!
Taylor Swift had a concert on her 1989 World Tour in Tampa, Florida on Halloween night, and she celebrated in such a fun way!
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She took to the stage as Olaf from Frozen, in an adorable costume, as you can tell in the video (below)!!!

So cool! And if that wasn’t enough, she also brought Idina Menzel and Alessia Cara out on stage to help her perform during the concert! Ch-ch-check out some of Tay-Tay’s Instagram shots (below)!!!

Frozen totally happened tonight. And 55,000 people sang ‘Let it Go’ so loudly, it nearly took my breath away. Good times, @idinamenzel ├ó╦£╞ÆA photo posted by Taylor Swift (@taylorswift) on Nov 1, 2015 at 1:14am PST

“The cold never bothered me anyway.” QUICK CHANGE @idinamenzelA video posted by Taylor Swift (@taylorswift) on Oct 31, 2015 at 10:23pm PDT

“I ask myself what am I doing here?” @alessiasmusicA photo posted by Taylor Swift (@taylorswift) on Nov 1, 2015 at 1:12am PST

So cool!!
[Image via YouTube.]