Chris and Gwyneth called time on their 10- year-old marriage earlier this year
Actress Gwyneth Paltrow reportedly rang in her 42nd birthday with estranged husband Chris Martin and some close friends, reported Aceshowbiz.
The Iron Man star and Chris, 37, who ended their 10-year-old marriage earlier this year, have continued to remain good friends.
He apparently arrived hours before the birthday bash started.
The party also saw guests like Nicole Richie, Kate Hudson and her fiance Matthew Bellamy.