my guess is Aaron Carter will follow Nick Jonas with the red bowtie until the end of 2012. Then Darren Criss will return for another limited winter run with the same color bowtie followed by Mario Lopez in February 2013 with an orange bowtie. Since Lopez will drag the show down and flat out suck, it'll close by April 2013.
A Chorus Line revival played its final Broadway performance on August 17, 2008. The tour played its final performance on August 21, 2011. A new non-equity tour started in October 2012 played its final performance on March 23, 2013. Another non-equity tour launched on January 20, 2018. The tour ended its US run in Kansas City and then toured throughout Japan August & September 2018.