Gwyneth Paltrow threw a star-studded bash for her son Moses' birthday on Saturday (06.04.13).
The 40-year-old actress - who released her new healthy cook book 'It's All Good' and launched her fourth fitness studio with exercise expert Tracy Anderson in Los Angeles this week - and her Coldplay star husband Chris Martin were joined by guests including Kate Hudson, Tobey McGuire, Cameron Diaz, Gwen Stefani and Joel Madden, as well as all their children, at their new mansion in Brentwood, California to celebrate ahead of their son's seventh birthday tomorrow (08.04.13).