Emma Watson appears to have morphed into Kristen Stewart.The Harry Potter actress landed at Heathrow airport complete with moody expression, refusing to avert her gaze from the floor and wearing black.

Her usual cheerful demeanour had been replaced with a glum face, while she seemed oblivious to temperatures outside.

As the UK swelters in the middle of a mini heatwave,the 21-year-old ignored the 27 degree heat and kept every inch of skin covered.

She teamed her oversized sweater with chunky leather boots, skinny jeans and draped on her shoulder she looped a large black studded handbag.