Will Smith is fiercely protective of his family – as became clear after his appearance at the Oscars this year. The world was shocked after he slapped host Chris Rock, who made a joke about his wife Jada Pinkett-Smith, who suffers from alopecia. MORE: Will Smith reveals his heart 'shattered' when son Jaden made a shock requestHe subsequently issued an apology, and his family have all shown their support for him - with both Jada and his son Jaden speaking out.Just months before the incident, the award-winning actor released his memoir, Will, where he opened up about his family life - and some of the lessons he learnt through his children. One that stood out in particular was when his daughter Willow, 21, went to drastic measures to alter her own hair in a bid to stop touring.VIDEO: Will Smith prepares to take a dive into the deepest swimming pool on earthWillow gained global success following the release of her hit song Whip My Hair, and signed up for a month-long tour opening for Justin Bieber.MORE: Inside Will Smith and Jada Pinkett Smith's jaw-dropping £32.3million mansionMORE: Will Smith hailed a 'hero' as he shares video of terrifying encounter during family timeThe talented singer wasn't enjoying the tour and told her dad she wanted to stop at the end of the European leg of the trip.However, The Fresh Prince of Bel-Air star told his daughter that was not possible because she had upcoming dates in Australia.