Cast members (from L-R) Diego Boneta, Paul Giamatti, Julianne Hough, Catherine Zeta-Jones and Tom Cruise pose at the premiere of "Rock of Ages" at the Grauman's Chinese theatre in Hollywood, California June 8, 2012.[Photo/Agencies]

Cast members Paul Giamatti and Julianne Hough pose at the premiere of "Rock of Ages" at the Grauman's Chinese theatre in Hollywood, California June 8, 2012.[Photo/Agencies]