He’s no stranger to international travel, and last night (June 29) Justin Timberlake was spotted out and about in London’s ‘Mayfair district.

The “SexyBack” stud looked to be having a good time as he hit up Guy Ritchie’s haunt The Punchbowl, sporting a dark denim jacket with a black t-shirt and black jeans.

Earlier in the evening, JT and his business partner/pal Trace Ayala were over at Selfridges department store to unveil their William Rast Fall 2009 Collection.

And it was a big night for the label, as it’s finally going global after being hailed as one of the best up-and-coming lines in the industry.

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Enjoy the pictures of Justin Timberlake out clubbing in London (June 29).