Welcome back Mark Darcy! Colin Firth starts shooting 'Bridget Jones's Baby'

Colin Firth has started 'Bridget Jones's Baby' shooting as he was spotted reuniting with Renee Zellweger at the set in London.

The 55-year-old actor was shooting scenes for the third franchise in London and wore a black suit with blue scarf and held on to duffle bag, People reports.

Zellweger was filming for the second day in a row and wore baggy overalls, a flannel shirt.

Earlier, Patrick Dempsey joined the cast of the upcoming 'Bridget Jones's sequel alongside Firth and Zellweger.