Collins was spotted in West Hollywood on Friday rocking a black sport bra and open military-style jacket, putting her impressively toned midriff on full display. Paired with black leggings and bright pink sneakers, the Mortal Instruments actress wore over-sized sunglasses and flaunted her fire-red hair.
The Love, Rosie star debuted her new do during a recent trip to Korea in May.
"Fueling the fire within. Red hair don’t care #timeforchange #KrazyinKorea," she captioned a photo of her new look on Instagram.
Collins' new 'do is just the latest in a string of recent celeb makeovers – Jenny McCarthy, Harry Styles, and Lea Michele have all jumped on the bandwagon!
Check out more celeb transformations in the slideshow below: