See why we're splashing a little vanilla extract in our morning brew: Bobbi Kristina tweets she's not going to rehab, Rihanna loves her curves, Lisa Rinna allegedly sends threatening emails to Star Jones and Michelle Obama is prepping to write a book on the White House garden... Here's what you had to say: Mo Green commented via Facebook: "I'll have to get this book for my mother." Michelle wrote via Facebook: "I did garden years ago with my daughter. She's 19 now and in college. I miss doing that with her."