Families like the Kardashians and the Duggars pick a letter and stick with it. But other parents choose a theme to guide them in naming their kids. In the famously talented Phoenix clan, each child was given a nature-inspired name — River, Rain, Joaquin, Liberty, and Summer. Chef Jamie Oliver recently joked that his wife, Jools, has floral aspirations since she's named their three daughters Poppy Honey, Daisy Boo, and Petal Blossom Rainbow. The couple are planning to welcome a fourth addition in September, and the excited pop speculated that the babe might be called Rhododendron.