Mariah Carey(Wire Image)

Mariah Carey is 41. It's hard to believe right? With immaculate skin and huge shiny hair, it's easy to think the diva is at least 10 years younger than that. The photo gallery below features a selection of blessed celebrities who, like Mariah, look younger than their years, including Gwen Stefani, Bon Jovi, Samuel L Jackson and Helen Mirren. And you'll be amazed at how good Tina Turner looks in spandex.