Demi Lovato and Wilmer Valderrama: Engaged?!
Demi Lovato and Wilmer Valderrama are either one of the happiest couples in Hollywood or they've done a marvelous job of fooling the world.
Demi gushes about Wilmer in interviews and credits him with helping her to turn her life around. The two of them frequently tweet at one another in sickeningly sweet fashion, sometimes comparing themselves to famous fictional couples.