Taylor's still working on Breaking Dawn in Canada, and this week the cast is reportedly shooting the pivotal Edward and Bella wedding scene.
Lily joined Taylor up north following a trip to San Francisco to participate in Wonder Con last weekend.
"Stadium" clip "You can feel some sort of chemistry or connection when you're reading a script for the first time," Taylor says.
“But they’re having a lot of fun and seeing where it goes.” The actress met at the Vanity Fair Oscars party last month.
Chris looked suave in a dark blue Gucci tux while Lily, 25, rocked a pixie ‘do and wore a Zuhair Murad Couture floor-length gown.
A great-looking match, the two have both dated other A-listers in the past.