Christina Aguilera out for lunch at the Ivy Restaurant in West Hollywood

Stepping out for a dinner, daring Christina Aguilera out to lunch at the Ivy Restaurant in West Hollywood on Friday afternoon December 31. Joined by new boyfriend Matthew Rutles, so the "Burlesque" beauty stylish as she headed into the trendy West Coast eatery to fill up before the planned celebration festivities set for later in the evening. As for her party plans will Aguilera celebrates both a belated birthday bash paired with a New Year's Eve fat to be held at her scattered dwellings.