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Gyllenhaal takes the reins during a horseback-riding lesson near London. Plus: Pete & Ashlee, Ben Affleck, Naomi Watts and more

HEAD GEAR photo | Reese Witherspoon

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HEAD GEAR

Reese Witherspoon caps off a day out in London with a relaxed shopping trip to Twenty8Twelve by s. miller – the boutique carrying Sienna and sister Savannah Miller's clothing line – on Wednesday.

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Credit: Big Pictures/ Bauer-Griffin

Published: Thursday Jul 03, 2008 | 05:00 PM EDT

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