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| Chris Pratt’s Donald Body Suit in What’s Your Number? Explained. |
Chris Pratt did not actually pile on the pounds to play Disgusting Donald in What’s Your Number? Instead, the actor relied on a deliberately over-the-top practical transformation involving a full body fat suit, silicone facial prosthetics and a mullet to create Ally Darling’s rather unfortunate ex.
Directed by Mark Mylod, What’s Your Number? centres on Ally Darling, a woman who becomes increasingly worried about her romantic history after reading a magazine claim suggesting that women who have slept with more than 20 men are unlikely to settle down. With her number uncomfortably close to that figure, Ally decides that going back to one of her exes might be easier than adding anyone new to the tally. Enter Donald, a former boyfriend whose transformation since their relationship ended is difficult to miss.
Chris Pratt’s Disgusting Donald look was created using practical effects rather than a major physical weight gain. Alterian Inc., the effects company responsible for the transformation, built the character around a full-body fat suit, a mullet and silicone prosthetics applied over Pratt’s beard. The result was intentionally ridiculous, particularly because Donald only appears in a relatively small part of the film but has to make an immediate impression.
The practical approach also allowed Pratt to play Donald as a physical comedy character rather than simply relying on the costume to deliver the joke. The suit was designed to give him the appearance of weighing close to 400 pounds, despite the actor himself not reaching anything close to that weight for the role. That distinction matters because Donald is supposed to move, dance and generally behave like a man who has no idea how spectacularly strange he looks.
Alterian’s work on the character followed a fairly involved process. The team began with a mould of Pratt’s face before developing separate sections for the body transformation. Because Donald was expected to be animated, the suit needed to accommodate plenty of movement rather than simply making Pratt look larger while standing still.
The effects team already had experience with exaggerated body transformations, having worked on films including Shallow Hal and Hairspray. That background proved useful here, with the Donald costume requiring a balance between a convincing silhouette and the broad physical comedy expected from the character. In other words, this was never meant to be a subtle exercise in prosthetic realism. Donald is supposed to walk into the story and make everyone wonder what, exactly, happened to him.
Pratt was also juggling What’s Your Number? with Parks and Recreation during the same period. He visited Alterian to test the developing costume and gave the effects artists feedback about how it felt and moved. That input helped the team refine the final design, particularly because the character had to remain mobile enough for Pratt to perform the comedy rather than shuffle around like an expensive inflatable sofa.
There is another reason the transformation works: Pratt's performance does much of the heavy lifting. A body suit can create the shape, but it cannot automatically create the awkward movements, dancing or exaggerated mannerisms that make Donald memorable. Pratt leans into the character physically, turning the costume into part of the joke instead of allowing it to become the entire joke.
Pratt later explained that Parks and Recreation represented the heaviest he had been for a role, while Donald was intended to look as though he weighed roughly 400 pounds. The distinction is important because there was no need for him to undergo a major weight-gain process for a character whose appearance was deliberately exaggerated. Modern prosthetics can create that illusion far more efficiently, and frankly, asking an actor to spend months trying to reach an extreme weight for a gag would be a fairly ridiculous production decision.
That becomes even clearer when looking at Pratt's later career. The actor underwent a very different kind of physical transformation for projects such as Guardians of the Galaxy and Zero Dark Thirty, particularly while preparing for the role of Peter Quill, better known as Star-Lord. His training and weight loss for those roles became much more substantial parts of his preparation. Donald, by comparison, required an effects department, a little patience and a willingness to dance around in an enormous costume.
There is also something quite funny about the fact that Disgusting Donald's transformation is deliberately fake while the performance makes it feel surprisingly convincing. Pratt did not need to become the size of the character; he needed to understand how someone that size might move, sit, dance and carry himself. The comedy comes from that combination of costume and physical performance, rather than from simply making the actor larger.
My take is that the Donald transformation is one of those comedy effects that works precisely because nobody is pretending it is high art. The fat suit, mullet and facial prosthetics are gloriously excessive, and that is exactly what the scene needs.
Pratt was not disappearing into a serious character transformation here; he was essentially being handed an enormous costume and told to make the most of it. Thankfully, he does. The practical effects give Donald a properly absurd silhouette, while Pratt's movement sells the ridiculousness far better than digital effects probably could.
There is something satisfying about seeing a comedy production commit to a physical gag instead of polishing every frame until the joke loses its personality. Donald is meant to be embarrassing, strange and slightly unforgettable, and the costume gets him most of the way there. Pratt then supplies the final ingredient: complete willingness to look ridiculous. For a relatively brief appearance, that is a pretty effective bit of comic engineering.
So, did Chris Pratt use a body suit to play Disgusting Donald? Absolutely. He did not need to undergo the extreme weight gain suggested by the character's appearance. Instead, Alterian Inc. built the illusion with a full-body fat suit, silicone prosthetics, facial work and that wonderfully questionable mullet, while Pratt supplied the physical comedy underneath it. The result remains one of the more memorable visual jokes in What’s Your Number? — and if you remember Donald's transformation, was the costume or Pratt's performance the funniest part to you?