When celebrities do a full hair transformation, sometimes it’s hard to tell if it’s a really great wig or their real hair. But with ultra-short cuts, we can be pretty sure they took the plunge. Take AnnaSophia Robb’s pixie cut, for example. The actress posted a photo to Instagram with the caption, “New hairs. Who dis?” This was just a few days after she showed off a sleek brunette wig with bangs, as well as her natural blonde lob.