The 25-year-old actress was joined on the outing by London-based photographer Matt Easton.
Lily is back in Los Angeles after spending some time in Paris.
In case you missed it, check out Lily on the cover of Marie Claire UK‘s October 2014 issue.
FYI: Matt is wearing a Levi‘s Barstow Western Shirt.
10+ pictures inside of Lily Collins and Matt Easton at the Sam Smith concert…