The newlyweds select near-matching ensembles while walking through London. Plus: Kourtney Kardashian & Mason, Jessica Alba, Idris Elba & Charlie Day and more


While sis Kim Kardashian lays low with baby North, Kourtney Kardashian and stylish son Mason, 3½, steal a quiet moment of their own while filming Keeping Up with the Kardashians in Malibu, Calif., on Tuesday.