Source: Bang Showbiz NewsMiranda Kerr's has revealed she gets marriage advice from grandmother who told her it is important to put on a little makeup and wear nice underwear to keep her husband Orlando Bloom happy.The Victoria's Secret model - who has been married to 'The Hobbit' actor Orlando Bloom since July 2010 with whom she shares 23-month-old son Flynn - has revealed her grandmother told her how to keep their marriage spicy.The 29-year-old Australian beauty told 'The Late Late Show With Craig Ferguson': "My grandma said, 'Men are very visual, so don't forget that.' She said, 'Every day, put a little makeup on, put on some nice underwear, and you'll keep your husband.'"The supermodel also revealed she gets more nervous walking the catwalk if her husband is in the audience despite admitting to giving him private shows.She said: "It's different. Because I'm parading it in front of everyone else, not just him."Miranda was recently named Sexiest Woman Alive by Esquire UK and is replacing Kate Moss as the face of high street brand Mango.Despite a lucrative modelling career, the proud mum has admitted she has had to rethink her lifestyle since giving birth to Flynn. She said in the past: "I'm not travelling as much now because I prefer to spend my time with him. It put it in a new perspective, he's the most important thing. It's amazing and I love it."