The 'Call It Whatever' singer rocked a totally adorable Topshop ensemble as she hit the Just Jared Annual Summer Party in Los Angeles on Saturday (12 July).
Clearly lapping up the hot, sunny LA weather, Bella rocked a matching bandeau top and skort which were both covered in a zingy lemon print. Cute!
If you fancy stealing her look, you can buy the top for £30 and the skort for £34, both from good ol' Toppers.
But it wasn't just her zesty two-piece that stood out from the crowd - the 16-year-old starlet made a statement with her choice of footwear too!
Gorgeous Bella accessorised her tootsies with towering white gladiator-inspired sandals which revealed her metallic silver pedicure.
She layered heaps of bangles on one arm while wearing a couple of dainty necklaces, leaving her voluminous, tousled hair to drape over one shoulder.
And it looks like the jam-packed party was pretty amazing too - who doesn't love a bit of table tennis?
Can we come next time, Bella?!
What do you think of Bella's outfit? Let us know by commenting below as the best comment across the site each week wins £50!
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Watch Bella's video for 'Call It Whatever' below: