By Seamus Duff X Factor star Marcus Collins is getting ready to say I do – as he has revealed he is now engaged. The 35-year-old talent show star was a contestant on season eight of The X Factor back in 2011 where he landed in second place behind winners Little Mix. He released his debut solo album the following year and has since gone on to reinvent himself as a successful West End star – having previously starred in a production of the musical Hair and can currently be seen among the cast of hit show Mrs Doubtfire. But away from carving a successful career, Marcus has also been building a dr…