On Wednesday morning she showed up to talk all about her new movie The Perks Of Being A Wallflower at Radio 1 dressed in geek chic with her spectacles and coat.

But fast forward a few hours and Emma Watson decided to dress to the nines as she took to the red carpet to promote the film on Wednesday night.

But the Harry Potter actress appeared to have forgotten to take her trousers off as she showed up looking stunning in black... but wearing both a dress and long pants to the glitzy event.

Smiling sweetly the 22-year-old accessorised with an intricate silver pendant in the shape of a key and kept her make-up low-key.

But as eyes moved downwards it became evident Emma had not only worn a dress to the screening but also a pair of trousers worn underneath it or even especially stitched to the gown.

Although she still looked glamorous and grown up with her skyhigh heels finishing off the look.

滬江娛樂快訊：倫敦當(dāng)?shù)貢r間9月26日，電影《壁花少年》舉行特別放映會。主演艾瑪·沃特森以一襲抹胸短裙搭配黑色窄腳褲的個性裝扮現(xiàn)身，被英國《每日郵報(bào)》開玩笑說其忘記脫掉褲子。但艾瑪靚麗動人的氣質(zhì)卻絲毫沒有減分，在特別放映會前，艾瑪以一襲黑色風(fēng)衣搭配黑框眼鏡的造型現(xiàn)身Radio 1的采訪現(xiàn)場，英倫氣質(zhì)不言自明。

電影版《壁花少年》根據(jù)同名小說改編，由原著作者史蒂夫·奇波斯基改寫劇本并執(zhí)導(dǎo)。電影主角是一名性格內(nèi)向的青少年，通過他的書信，剖析青春期男孩在性、毒品和生命價值等方面的困惑，并涉及同性戀話題。