As Jennifer Aniston gears up to turn 50 next year, she can rest assured that Ellen DeGeneres already has a special celebration in mind. Appearing on ?The Ellen DeGeneres Show? Thursday, Aniston said she didn?t have plans for her birthday (Feb. 11), but seemed open to the idea of dropping by the show again to mark the occasion. Meanwhile, Aniston?s film career remains in high gear. Her new movie ?Dumplin?? hits Netflix on Friday.