Heidi Klum: Project Yodeler

10/16/2008 AT 01:15 PM EDT



Husband Seal isn't the only one who's musical in Heidi Klum's household.

The German-born supermodel and Project Runway star has quite a set of pipes herself, as she demonstrates in this exclusive, behind-the-scenes footage from her photo shoot for a "Who's Got Milk?" ad.

Outfitted as a milkmaid, Klum. 35, lets out with an impressive yodel. No, she's not crying over spilled milk.
Stephen M. Silverman
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