See Lily Collins' Best Looks From The Mortal Instruments: City of Bones Press Tour

At the film's Los Angeles premiere, the actress kicked it up a notch in a sexy white Cushnie et Ochs midi dress with dramatic cut-outs that exposed skin in all the right areas. A pair of white Giuseppe Zanotti pumps finished the look.

All eyes were on Collins while on Late Night with Jimmy Fallon, thanks to her bright yellow body-hugging Versace dress that she styled with dark ankle-strap Casadei pumps.

Collins' on-trend streak continued in London, picking Brian Atwood leopard print pumps to pair with her all black Stella McCartney ensemble.

Collins hit up Comic-Con boasting two trends in one look with a printed crop-top and shorts set from Paper London.

For the film's Germany premiere, Collins accessorized her black sleeveless Paper London crop top and black floor-length Halston Heritage tulip skirt with a chunky gold chain necklace and gold Movado cuff watch.

In Spain, the actress opted for a Dolce & Gabbana black lace and floral dress, complemented by rose gold EF Collection rings, and wore her hair in soft waves.

Collins accessorized her floral print Sachin + Babi ensemble with black and gold Casadei pumps, and select bangles at a photo call.

The actress chose a Whistles ensemble, black Giuseppe Zanotti satin pumps, and LivHaley arrowhead earrings for a press appearance.

Collins hit Toronto's premiere in a demure-yet sexy-long sleeved ivory lace Houghton column with an open back.

Collins attended a meet and greet in a shimmering knit top and pencil skirt by Bec & Bridge, paired with Christian Louboutin pumps, and a chunky gold chain necklace from Pomellato.

The star stopped by Fox 29's 'Good Day' in a Maxime Simoëns look and stunning Christian Louboutin over-the-knee black leather boots.

On Good Morning America, Collins promoted her film in a pretty white pleated Valentino dress with a black lace hem. She accessorized with black and nude lace Jimmy Choos, Dana Rebecca Designs studs, and a diamond Jacob & Co. cocktail ring.