MAIL ON LINE
By DONNA MCCONNELL and CHELSEA WHITE
PUBLISHED: 08:10 EST, 9 September 2013 | UPDATED: 09:19 EST, 9 September 2013
Colin Firth's Hollywood ascendance appears to have affected his waistline.
The Single Man actor looked extremely slim on the red carpet at the Toronto premiere of new film Devil's Knot, alongside his co-star Reese Witherspoon.