10 Celebrities Who Do Yoga

Jessica Biel

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Although she likes to mix up her fitness routine -- with jogging, boxing, and playing volleyball, for example -- yoga is a mainstay for Mrs. Justin Timberlake. The actress told Elle magazine in 2011 that "yoga is a constant for me because it keeps my muscles long and flexible." [Source: Hebert] That hot body does come at a cost. That same year, she told Fox411, "I have no life ... I spend a lot of time in yoga class." [Source: FoxNews.com]