Gwyneth Paltrow is relatively private about her family life but the Goop founder grew up in a showbiz household.The star's mum, actress Blythe Danner and dad, film producer Bruce Paltrow, ensured that Gwyneth got a taste for Hollywood life from a young age.MORE: Gwyneth Paltrow's son Moses surprises with wild haircutThe mother-of-two is incredibly close to her family, and paid a rare public tribute to her beloved mother as she celebrated her birthday. VIDEO: Gwyneth Paltrow's son Moses cooks