And if this is EO (which I think it is) it looks like she has already left London with her friend:
https://www.instagram.com/p/BFvrdbUAiRd/?taken-by=jadeolivia_g&hl=en
Same bag in these pics: http://www.dailymail.co.uk/tvshowbiz/article-3601234/Elizabeth-Olsen-makes-coffee-run-look-good-shows-minimalist-street-style-cuffed-jeans-black-top.html