Singer Demi Lovato is living life as a grandma-in-waiting after learning all the neighbours in her apartment complex are elderly. The Skyscraper hitmaker loves her new Los Angeles pad and quite likes the idea of being the only young person living there - a fact she recently discovered during a fire alert. She explains, "The fire alarm went off and we all had to go outside and it was all older people - like old people. There were walkers and wheelchairs. I loved that. I was like, 'Oh my God, this is so cute!' "All of the people there are so sweet, especially the valet attendants. It's so much fun because there's not, like, young people that are loud and noisy." But she once fell foul of a neighbour in the gym when she was blasting Eminem. The U.S. X Factor judge recalls, "This older woman was on the treadmill, walking two miles per hour and she turned around and snarled at me... I was like, 'OK'. It was so cute."