Today's celebrity birthdays: Thur., May 26Drummer Garry Peterson of the Guess Who, 71Singer Stevie Nicks, 68Actor Philip Michael Thomas ("Miami Vice"), 67Actress Pam Grier, 67Country singer Hank Williams Jr., 67Actress Margaret Colin, 59Singer Dave Robbins (BlackHawk), 57Comedian Bobcat Goldthwait, 54Singer Lenny Kravitz, 52Actress Helena Bonham Carter, 50Drummer Phillip Rhodes of the Gin Blossoms, 48Actor Joseph Fiennes ("Shakespeare in Love"), 46Singer Joey Kibble of Take 6, 45"South Park" co-creator Matt Stone, 45Bassist Nathan Cochran of MercyMe, 38Actress Elisabeth Harnois ("CSI"), 37