Betty White's 'Top 10 Tips For A Long & Healthy Life' On Letterman (VIDEO)

If anyone knows about having a long and successful career, it's Betty White. At 89 she's still busy acting, writing books, and making guest appearances like someone who's just getting started, so she decided to share the secrets behind her awesome energy with us mere mortals.

Last night, she dropped by The Late Show and gave David Letterman her 'Top Ten Tips For Living a Long and Happy Life,' and we've gotta say, "Try not to die," sounds like some sound advice.