Rejoice, for the power of love is alive and well! At least as far as Heidi Montag and Spencer Pratt are concerned. After a tumultuous on-again, off-again relationship that included a November 2008 wedding and a legal separation in June 2010, the Hills villains have renewed their wedding vows, ET Online reports. Montag and Pratt re-tied the knot during an intimate, pre-sunset ceremony at a beachfront house in Southern California on Sunday.