It's not every night we get to watch Adele belt out "All I Ask" in a custom Givenchy gown.
We were pretty surprised to learn that Rachel Zoe finds time to take a break from her crazy life as one of Hollywood's most in-demand stylists; but of course, she still jet-sets in style. From her packing essentials to whether it's ever acceptable to look like a tourist, here are Rachel Zoe's rules to traveling.