Okay, you hip Noo Yawk kitties: your boy Bobby DeNiro is offering a chance to attend the screenings of both Bobby’s new flick “The Good Shepherd” (December 12) and “Charlotte’s Web” (December 16), which features the Biggest Star on the Planet, Dakota Fanning. To enter the contests, click here, but do it soon: the deadline for “Shepherd” is noon on 12/11 and the deadline for “Charlotte’s Web” is 12/13. Good luck, and give Bobby a playful kiss of death for us.