Most likely to miss rehearsals: Gavin DeGraw

Gavin DeGraw is probably best known for his song "I Don't Want to Be," the theme for "One Tree Hill." The 35-year-old singer-songwriter will apparently continue his U.S. tour while he's competing on the show, so that could hurt his chances a bit. Gavin is paired up with Karina Smirnoff.

Bing: More about Gavin DeGraw | 'Dancing With the Stars'

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(ABC)