Lily Collins in Nude Matt Bernson Sandals and Stella McCartney Dress

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Lily Collins had a busy day in London this week. She was spotted after her interview at ITV Studios to promote ‘The Mortal Instruments: City of Bones’ alongside co-stars Robert Sheehan and Jamie Campbell Bower (who she has also recently split with).

Although she had to be up early, Lily showed no sign of being tired in a black Stella McCartney batwing dress with Brian Atwood “India” heels. Lily’s leopard-print platform pumps are detailed with gold zips at the back and give a pop of print to her outfit.

Lily showed no sign of being tired in a black Stella McCartney batwing dress with Brian Atwood "India" heelsLily Collins seen at the ITV Studios in London on August 19, 2013

Brian Atwood "India" pumps worn by Lily CollinsBrian Atwood “India” pumps worn by Lily Collins

Brian Atwood "India" Heels

Brian Atwood “India” Heels, $545

Later that day, Lily swapped her heels for flats as she grabbed some coffee in nude Matt Bernson sandals with crisscross straps and slight wedges. These shoes have been seen on her several times before and seem to be her choice when she is favoring a casual and more comfortable look.

Lily swapped her heels for flats as she grabbed some coffee in nude Matt Bernson sandals with crisscross straps and slight wedges

Matt Bernson SandalsMatt Bernson Sandals, $48.75

Lily carried the black theme through to the evening, attending a “Meet the Actors” event. Her evening ensemble consisted of a black cropped top and dark green leather trousers from British retailer Whistles, which showcased her amazingly toned stomach. Lily brought out her inner vamp by accessorizing with dark red lipstick and black Salvatore Ferragamo satin pumps.

Her evening ensemble consisted of a black cropped top and dark green leather trousers from British retailer WhistlesLily Collins leaving her hotel in London on August 19, 2013

Salvatore Ferragamo Satin PumpsSalvatore Ferragamo Satin Pumps

The 24-year-old ended her night at The Ivy in London where none other than her ex-boyfriend Jamie Campbell Bower was also spotted. Take a look at the both of them in the trailer for ‘The Mortal Instruments: City of Bones’:

Do you prefer Lily’s clean and polished daytime outfit or her dark and edgy evening look?

Credit: WENN