Helen Hunt and Matthew Carnahan head for

After 16 years of dating, American actress Helen Hunt has reportedly broken up with boyfriend Matthew Carnahan.

Writer-producer Carnahan and the 54-year-old actress had been together since 2001 and also have a 13-year-old daughter ? Makena Lei, who was born in 2004.

According to a source, ?She had left Matthew several months back. They had a rocky relationship and many offs and ons over the years. They stayed together as long as they did because of their daughter,? reports E online.

The ?House of Lies? producer also has a 20-year-old son from a previous relationship.

The ?Twister? actress was previously married to an actor Hank Azaria before their divorce in 1999 after five years together and almost two years of marriage.

The Oscar-winner actress will soon return to the big screen with her upcoming film ?I Love You, Daddy?, which will be premiered at the Toronto Film Festival in September.

(This article has not been edited by DNA's editorial team and is auto-generated from an agency feed.)