Celebrity Style: Keira Knightley in Birkenstock 3 Replies Keira keeps it casual in the Birkenstock Boston Suede Clogs. We’re digging her earthy color palette, but the jury’s still out on the tights/clogs combo. What do you think? Are tights + clogs a fashion Do or Don’t? Source: coolspotters.com More from our blogThe Vampire in Twilight, Robert Pattinson, wore Birkenstock Boston Suede in the set of Remember MeBrad Pitt's Sanuk Slip OnsCelebrity Style: 2012 Golden GlobesFlirty Flats brought to you by www.planetshoes.comCelebrity Style: Bieber Loves Hats Share and Enjoy Last updated by Shoes at February 6, 2012.