Celebrity Pictures in Designer Jeans Celebs in Denim: Jessica Biel in William Rast (yes, again!) by Liane August 22, 2008, 7:31 am 90 Views Here we have good girl Jessica Biel in what else, boyfriend Justin Timberlake’s line, William Rast. She was spotted at Hollywood Presbyterian Church on August 14th. More Jessica Biel pics after the jump! again!)Celebs in Denim: Jessica Biel in William Rast (yes See more Previous article Celebs in Denim: Kate Hudson in Genetic Denim Next article J Brand and TopShop Collaborate on Denim Line!