Justin Timberlake to perform during William Rast runway show

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New York’s Fashion Week is turning out to be a really busy time for pop sensation Justin Timberlake – who has a number of events lined up throughout the festivities.

Not only is the “Sexy Back” stud scheduled to perform at the annual Fashion Rocks concert on September 5th, but he is also going to be rocking out at the Roseland Ballroom while the models show off the latest William Rast collection (Justin and partner Trace Ayala’s successful denim line).

Can’t WAIT for Fashion Week!