Most Fashionable Couples

See Tom & Katie, Nick & Jessica, and 10 other stylish celeb duos, as selected by PEOPLE style expert Danielle Dubin. By Serena Kappes

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HEIDI KLUM & SEAL

In their downtime, the photogenic couple are all about "being comfortable and functional, like with their matching baggy pants and slouchy bags," says Dubin of the supermodel and her musician husband (left, in New York City). But when "she glams it up, he rises to the occasion" (right, at the 2004 CFDA Fashion Awards).