Article continues below advertisementBlake Lively turned up the heat before stepping out for a rare night on the town with husband Ryan Reynolds. The actress gave fans an unexpected behind-the-scenes moment on Instagram, showing herself wrapped in nothing but a towel while curling her hair for the evening.Article continues below advertisementIn the video, the 38-year-old leaned into her bathroom mirror with a curling iron in hand as she walked followers through her go-to glam routine.