"Shadowhunters" across the world are certainly delighted over the news. After much delay, production for the sequel to "The Mortal Instruments: City of Bones" is set to push through. Fans will see Lily Collins, Jamie Campbell Bower, Kevin Zegers, Jemima West and Robert Sheehan back in action for "The Mortal Instruments: City of Ashes."

Despite failing at the box office, Constantin is set to pull through production with the sequel to Cassandra Clare's best-selling young adult novels. In an interview made by The Hollywood Reporter, Martin Moszkowicz claimed to go ahead with the film despite the poor reviews.

"We are analyzing what we did wrong with the first film - particularly with the positioning and marketing - and what changes we have to make," stated Mr Moszkowicz. "We are working with a great group of people to reposition the franchise," he added.

"City of Ashes" is reported to begin production early next year. Lily Collins is set to reprise her role as Clary Fray. The same goes for Jamie Campbell Bower as Jace Wayland, Kevin Zegers as Alec Lightwood and Jemima West as Isabelle Lightwood.

Obviously, the plan of pushing through with the sequel wasn't forwarded to the author Cassandra Clare. During a Twitter Q&A with her fans, Ms Clare answered a question regarding production on "City of Ashes."

“@dhemnasaur: " when will COA start production? :)” I don't know anything you don't know.

— Cassandra Clare (@cassieclare) October 24, 2013

Judging from Ms Clare's answer, production execs aren't keeping Ms Clare in the know about the film. Could this relate to the news back in October claiming Clare might jump ship from the film franchise?

Hopefully, nothing of the sort happens. For now, fans are every bit delighted with the news that "The Mortal Instruments: City of Ashes" is set to push through with production. Once again, Lily Collins and Jamie Campbell Bower will be filming a few swoon-worthy scenes to which fans hope would spark another shot at romance.

As for Lily Collins, the actress was last seen holding hands with another Hollywood hunk at Disneyland. Reports claim Lily Collins is again dating her ex-boyfriend, Zac Efron. Sources claim that since Zac's successful rehabilitation, the "High School Musical" star has been surrounding himself with "good influences" to which Lily is a great example.

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