[Nicole Richie, Charlotte Ronson photo courtesy of Shadow PR] Stars of "True Blood" have a heart and are nice to their fans at the season 4 premiere and after party, plus will Sookie Stackhouse be tanner this season?; GUESS partners with MOCA in Santa Monica for a party of young starlets like Sarah Hyland and teaches them how to do graffiti; Zac Efron parties with his skateboard at Spare Room for Charlotte Ronson's I "Heart" Ronson celebration, Paris Hilton, Ashlee Simpson, Danny Masterson and Nicole Richie were also there—this and more was just another L.A.Tuesday night, get it all here with today's edition of Last Night's Parties! More»