Ellen DeGeneres performs as Sia with Heidi Klum

Every year we look forward to Ellen DeGeneres' fantastic Halloween costumes, and this year was no exception as Ellen went all out in her portrayal of singer Sia.

"Sia and I have a whole lot in common. She's Australian, and I married an Australian, and we both like to swing from a chandelier—which is why I'm no longer welcome at Bed Bath & Beyond," the comedienne said.

DeGeneres donned a face-hiding wig, poofy dress and lip synced to Sia's hit song "Chandelier" on her show Monday. However, the fun didn't stop there. DeGeneres brought out supermodel and Project Runway host Heidi Klum as Maddie Ziegler.

Klum, who is also known for going all out with her Halloween costumes (did you see her Jessica Rabbit costume?) proceeded to dance around as Ellen lip synced. I've got to say, Ms. Klum has the moves down pat!

You can watch the full video above.

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