Lily wore this stunning Paule Ka gown to the 15th Annual Costume Designers Guild Awards.
When the starlet attended the Chanel Pre-Oscar dinner in Los Angeles, she wore this pretty Chanel frock.
Lily stunned in Zuhair Murad at the 2013 Vanity Fair Oscar party.
Lily posed with Elizabeth Olsen at the Louis Vuitton Fall/Winter 2013 Ready-to-Wear show in Paris, both head-to-toe in LV.
Lily attended WonderCon in Anaheim, wearing a sheer black top and a leather coat and pants.
Lily attended the Costume Institute Gala for the 'PUNK: Chaos to Couture' exhibition at the Met, decked out in Moschino.
Lily was spotted out and about in London wearing a brightly patterned frock.
Lily and the cast of The Mortal Instruments: City of Bones attended Comic-Con, Lily in Paper London.
During a mall "meet-and-greet" in Florida, Lily wore this pretty Sachin + Babi dress.
Lily wore this daring red and black Maxime Simoëns Resort 2014 ensemble to visit 'Good Day' while promoting her film.
Lily spent the day in New York wearing this stunning Versace creation, visiting the Jimmy Fallon show and more.
Lily wore this crop top and leather skirt to a celebration of her Seventeen magazine cover.
Lily looked lovely in Valentino for a visit to Good Morning America.
Lily rocked this high-low skirt from the Fausto Puglisi Resort 2014 collection at the Teen Choice Awards.
Lily's press tour for The Mortal Instruments continued, wearing this cut-out Cushnie et Ochs dress at the Hollywood premiere.
Lily attended another meet and greet for The Mortal Instruments wearing Bec & Bridge.
Lily attended a FlauntMagazine event wearing this black and white Roland Mouret creation.
Lily was spotted out and about in London wearing Stella McCartney.
Lily attended the German premiere of The Mortal Instruments in Halson Heritage and Paper London, continuing her crop top trends.
Lily wore Dolce & Gabbana for the Madrid photocall of The Mortal Instruments.
For the film premiere later that evening, she sported this gorgeous Houghton dress.
Lily donned Rachel Zoe for the photo call in Mexico.
Lily attended the Givenchy show during Paris Fashion Week Spring/Summer 2014, wearing a trendy Givenchy sweatshirt.
Lily posed with Julianne Hough at a Samsung event, wearing a t-shirt and a camel overcoat.
Lily looked pretty in Altuzarra at the CFDA/Vogue Fashion Fund Event.
Lily attended the FlauntMagazine Issue Party wearing a lacy Givenchy dress.
Discover More Like This
BACK TO SLIDE
Lily Collins has certainly had a break-out year in fashion. Going on a month-long press tour for her film The Mortal Instruments: City of Bones, she wore a new creation every day. We saw lots of sheer, leather and lace, and she became the queen of crop tops!
Click through the gallery above to see a year of style with Lily -- we can't wait to see what she'll bring to the red carpet in 2014!