Twitter Goes Ballistic Over Katy Perry's Met Gala Dress. Only Problem: It Was Zoe Saldana.

In a sea full of predictable metallic dresses (we're looking at you Taylor Swift) at the 2016 Met Gala Monday evening, Twitter went mad over Katy Perry's peacock train. 

Only problem: That wasn't Katy Perry. It was actually actress Zoe Saldana, who, it need not be noted, looks nothing like Katy Perry.

Source: Getty Images

Many simply believed Perry and Saldana were wearing the same dress. But come on, folks, that wouldn't happen. This is the Met Gala, after all — not the NFL Honors.

This user is still not convinced that this isn't Perry — even with a photo of Saldana kissing her husband, Marco Perego.

Need further proof? Perry has finally arrived wearing what seems to be a Hunger Games inspired frock. Unless she did a speedy wardrobe change, the two are definitely not dressed in the same gown. 

Regardless of who's wearing the dress (it's Saldana), how do peacocks fit into the Manus x Machina: Fashion in An Age of Technology theme? Hard to say, but we love the look regardless.

Plus, she's helping the kids: