Walking hand-in-hand, Christina Applegate and boyfriend Martyn Lenoble were spotted arriving at Los Angeles International Airport late last night (June 16). The Samantha Who? actress and her muscian beau were arriving home following a romantic Hawaiian vacation.

LeNoble is a 40-year-old bassist and the founding member of 90s alternative rock group Porno for Pyros.

Meanwhile, Christina has joined Anna Faris and Amy Poehler in helping voice singing rodents The Chipettes in the Alvin and the Chipmunks sequel.

The modern-day remake of the classic cartoons will open on Christmas day.