Gwyneth Paltrow celebrates birthday with Chris Martin?

Actress Gwyneth Paltrow reportedly rang in her 42nd birthday with estranged husband Chris Martin and some close friends.

The 'Iron Man' star and Martin, 37, who ended their 10-year-old marriage earlier this year, have continued to remain good friends, reported Aceshowbiz.

Martin apparently arrived hours earlier before the birthday bash started.

The party also saw guests like Nicole Richie, Kate Hudson and her fiance Matthew Bellamy.