She chronicled the transformation in a series of Instagram photos and Stories all day Tuesday, teasing the duo's costumes out bit by bit as the prosthetics were applied to her chest and face.
The 45-year-old supermodel is known for her over-the-top Halloween costumes and her annual party, but she rarely is joined by a significant other for a couple's look.
Heidi has been throwing her parties for 17 years now and it is one of the biggest events in the Hollywood party calendar with a host of A List guests including Mel B, Lupita Nyong'o and Bella Hadid.
The 45-year-old also had her own Shrek as her ideal date to the party.
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However, this project was started by PM Modi five years ago, when he was a Chief Minister of Gujarat on 31st October 2013. The "Statue of Unity" is double the size of the Statue of Liberty in NY standing 240 metres high.
Tom and Heidi also kissed for the "Extra" cameras after he commented, "She looks wonderful".
Klum expressed her love for Fiona and Shrek's love story, pointing out, "I always wanted to be Shrek and Fiona, I just didn't have a Shrek to do it with".
We can also expect that she and Tom will embrace their personas for the evening, channeling the beloved DreamWorks duo to make their costumes a theatrical experience for her high-profile party guests.
In the end, Halloween is not a federal holiday.so the government doesn't really have a lot to do with it.
This year's bash was sponsored by SVEDKA Vodka and Party City.