Hollywood actress Gwyneth Paltrow is reportedly eyeing to expand her family with rocker Chris Martin and wants to have another baby. The 'Iron Man 2' star is trying to convince her husband and 'Coldplay' singer Martin that now is the perfect time to give five-year-old daughter Apple and four-year-old son Moses a sibling,Star magazine reported. "Gwyneth is desperate to have another baby. She really thinks it will bring the whole family closer together. They are a passionate couple. and having another baby would give them both something to look forward to," a source said. However,Martin is no too keen with the idea as the wants the couple are too busy with their respective careers. "Chris is trying to figure out where to go next with his career,while Gwyneth is promoting her new film,'Iron Man 2',and is in the process of making another one. Chris thinks the timing may be all wrong for her to get pregnant," the source added.