Then: In 1996, Bynes joined the cast of Nickelodeon's sketch comedy show All That, eventually nabbing her own starring gig, The Amanda Show, in 1999.
Now: Bynes announced that she was retiring from acting on Twitter but has since been acting out, racking up a slew of legal troubles amid a drastic makeover (cheek piercings and wigs!) and reports of increasingly bizarre behavior. Still, she insists, "I'm doing amazing" – and then she Tweets something like this.
From: '90s Kids: Then & Now