According to Justina Valentine, there's no one in Hollywood that grinds harder at their career or baby making than Nick Cannon. While promoting her new movie "Fuhgeddabout Christmas," the 35-year-old "Wild 'N Out" star gushed about the 42-year-old comedian and how he's always showed up and showed out for her despite juggling his brood of soon-to-be 12 children and busy career.