Actor Gwyneth Paltrow has admitted that her marriage to Coldplay singer Chris Martin is not so perfect. The actor married Martin in 2003, and their busy schedules and pressures of fame mean they have to work hard at their relationship, reports femalefirst.co.uk. “We our ups and downs. We just have to make it work. I think it’s worked so far is because we are very open with each other,” Paltrow said.