Alexa Chung had a second look at the 2011 Elle Style Awards which was held in London this week.

After her YSL red carpet look she changed into a Valentino Pre-Fall 2011 dress.

Her black polka dot dress with a white collar and cuffs looks like a chic nun’s habit.

I like the cute bow at the waist, but the gold necklace is distracting.

Black YSL pumps and a black clutch completed her look.

Credit: Style.com & Richard Young/Rex Features/ZUMAPRESS.com