Blake Lively: I look at hair through lots of different decades ... I like roots; they feel more organic and natural. I really ...

and Blake Lively's natural texture usually adds a nonchalant, beachy, cool girl vibe to a loose bun. But when she put her hair up for one of her first premieres in May 2005 to introduce the world ...

In the last year - alongside the trend of no make-up selfies - stars have embraced their natural locks by sharing pictures of their untamed hair on Instagram and speaking about it in interviews.