The couple tied the knot in 2012 and are parents to a son.
Age was not a factor when the Hollywood actor decided to marry Hilaria, a yoga instructor, who is 26 years his junior.
The Firths, who have been married for 20 years, have two sons, Luca, 16, and Matteo, 13. A spokesman for the couple said: ‘A few years ago Colin and Livia privately made the decision to separate.
During that time Livia briefly became involved with former friend Mr Brancaccia.
They were married in 2012, and are parents to Carmen (L), Rafael (R) and Leonardo.
The legendary actor had been dating Hightower, a former actress, since 1987, and the two married in 1997.
It reported that Mr Brancaccia began stalking Miss Giuggioli in September 2016 because he could not face being cut out of her life.
He regretted involving Firth, who he said had shown ‘understanding’. He has worked for the firm since 1988 and is based in Brazil as its bureau chief, according to colleagues.
) 💚A post shared by Livia Firth (@liviafirth) on On top of her work as a producer, Miss Giuggioli is an Oxfam ambassador and has travelled to Ethiopia, Kenya, Bangladesh and Zambia.
The mother of two is also a founding member of The Circle, a women’s advocacy group set up by singer Annie Lennox.
Moder divorced his then wife and married Roberts in 2002. The couple met when Toth's friend reportedly hit on Witherspoon and Toth apologized on his behalf.
The "Big Little Lies" actress married him after two years in relationship, in 2011. The "Bridget Jones's Baby" actor married the hairstylist and makeup artist in 1999.