A light brown stain, potentially from self-tanner, was visible on Lively's Tamara Ralph gownBlake Lively had a minor makeup mishap at her latest film premiere.Eagle-eyed fans noted the actress, 37, had some makeup,

Blake Lively, Ryan Reynolds and more stars attended the premiere of the highly anticipated film "Another Simple Favor" over the weekend. Lively posed for photos on the red carpet with her husband, co-star Anna Kendrick,

She dressed to impress for her big night, wearing a mint green Tamara Ralph gown with a figure-hugging lattice bodice and chiffon skirt, accessorizing with Lorraine Schwartz jewels. Lively's skirt billowed out into a delicate train that floated around her while she posed for photos on the red carpet at the event.