Lunchtime Lowdown: 'Jersey Shore' Guidettes Go to Charm School; Five Female Celebs Bare All in 'Allure'

• Jersey Shore's leading ladies — Snooki, JWoww and Sammi — take some etiquette lessons. (Harper's Bazaar)

• Madonna has never heard of Glee? Queen of Pop refuses to guest star on hit FOX show.  (PopEater)

• Elin Nordegren moving to Sweden? (TMZ)

• Playboy mogul Hugh Hefner slams Tiger Woods and Jesse James for their indiscretions. (HuffingtonPost)

• Kara DioGuardi, Colbie Caillat, Emmanuelle Chriqui and other female celebs bare all for Allure. (Allure)