Pale and interesting Dakota Fanning proves she's all grown up in slinky sequin dress at the Now Is Good premiere

Last weekend she was pictured wearing no bra and no make-up, but tonight (Thursday) Dakota Fanning proved she is worthy of her Hollywood actress title.

The 18-year-old star arrived at the Now Is Good premiere in London looked very glamorous in an all over sequin dress.

The shimmery garment feel perfectly over Fanning's slender figure and highlighted her enviable curves.

Looking good: Dakota Fanning arrives at the London premiere of Now Is Good wearing a slinky sequin dress

What a transformation! Last weekend Fanning was pictured wearing no make-up and no bra

The sexy dress also featured a low back and a fairly low-cut neckline, and Fanning teamed it with peep-toe heels and a nude clutch bag.

As she posed on the red carpet with her hand on her hip, the U.S. star certainly looked older than her 18 years.

She wore her blonde hair down straight and proved that she can do glamour, compared to her laid-back look last weekend.

All grown up: The blonde star definitely looked older than 18-years-old

Onscreen pair: Jeremy Irvine plays Fanning's love interest in Now Is Good

Fanning was joined on the red carpet by her co-star in the upcoming film, Jeremy Irvine.

The young actor looked very smart in a dark suit which he wore with an open top shirt.

The War Horse star takes on the role of Adam in the movie which is based on the novel, Before I die.

Co-stars: Olivia Williams and Kaya Scodelario (R) also star in the upcoming movie

It revolves around Fanning's character, Tessa, who is dying of leukemia and compiles a list of things she'd like to do before passing away.

Top of the list is her desire to lose her virginity, and of course Irvine plays her love interest.

Actress Olivia Williams takes on the role of her mother, and was also present at the premiere.

The dark-haired star was less glitzy with her attire and opted for a floor-length black dress, but she still looked fantastic.

Read more: http://www.dailymail.co.uk/tvshowbiz/article-2202957/Dakota-Fanning-shows-enviable-figure-slinky-sequin-dress-Now-Is-Good-premiere.html#ixzz26PPfYtW2