Demi Lovato won’t let her future child get into the entertainment business until they’re an adult. The 31-year-old former child star – whose career began in ‘Barney and Friends’ when she was 10 years old – would be keen to support her kids’ passions in life, but if she does become a mother one day, she doesn’t want her offspring to follow in her footsteps so early in life. Asked how she would address her daughter wanting to enter the business, she told The Hollywood Reporter: “I’d say, ‘Let’s study music theory and prepare you for the day you turn 18, because it’s not happening before that’. “…