Joanna from 'Love Actually' is all grown up and unrecognisable!

All childhood movie stars have to grow out of their old character at some point, this is either a good, or a bad thing for them, but in Olivia Olsen's case, it's certainly the first. 

The childhood star is now a voice on the hit children's show 'Adventure Time'.

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Since her appearance on 'Love Actually' the childhood star has also taken up songwriting and posts her music online. 

No matter what she posts, it won't be nearly as iconic as this performance though:

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What a beautiful young woman!