Happy Birthday to pop diva Christina Aguilera (1980), Batman Begins actress Katie Holmes (1978), Earl Simmons, a.k.a. rapper DMX (1970), country rapper Cowboy Troy (1970), WWE wrestlers Rob Van Dam (1970), "Stone Cold" Steve Austin (1964), and Trish Stratus (1975); Troy star Brad Pitt (1963), director/producer Steven Spielberg (1946), Rolling Stone Keith Richards (1943), actor Ossie Davis (1917), actress/pin-up girl Betty Grable (1916; d. 1973), baseball legend Ty Cobb (1886; d. 1961), and Swiss artist Paul Klee (1879; d. 1940).