Actress and mother-of-two Sarah Michelle Gellar is joining March of Dimes and the Sounds of Pertussis campaign to help raise awareness about pertussis, also known as whooping cough, and the importance of vaccinating the entire family. SMG opens up to Celebrity Baby Scoop about family life with husband Freddie Prinze, Jr. and their two kids – daughter Charlotte, 3, and 8-month-old son Rocky. She goes on to talk about the “honor” of being named our ‘favorite celebrity mom’ in the Readers’ Choice Awards, being in “heaven” with her sweet son, and their upcoming Father’s Day plans. Check out the full article at:  http://www.celebritybabyscoop.com/2013/06/05/michelle-definitely-second Helen Slater: “The Worry Comes And Goes” Renowned actress and singer-songwriter Helen Slater stars in the Lifetime Original Movie The…