Pitch Perfect fans, you're going to love this.
Anna Kendrick visited The Late Late Show to challenge her old pal James Corden to a Pitch Perfect-esque riff-off.
The pair starred alongside one another in the critically acclaimed Into The Woods last year.
The pint-sized star, who was last month's GLAMOUR cover star, joined James and The Filharmonics to belt out some tunes.
Watch and enjoy...
