Emma Watson dismisses Borrell dating rumours

'Harry Potter' star Emma Watson has laughed off rumours she is dating rocker Johnny Borrell after the pair were spotted leaving a star-studded party together.

The actress - who plays Hermione Granger in the 'Harry Potter' franchise - was linked to the Razorlight frontman after the pair posed for photographers outside the Vanity Fair and Burberry Portraits party at the National Gallery in London on Monday.