Celebrity Birthdays and Royal Holiday Magic: Hollywood's December Stars

# Celebrity Birthday Extravaganza & Hollywood Headlines In today's entertainment roundup, we're celebrating a star-studded array of celebrity birthdays - from Billie Eilish turning 24 (the Grammy winner who rose to fame with "Ocean Eyes") to Brad Pitt hitting 62 (who once dressed as a chicken for fast food gigs before becoming Hollywood royalty). Steven Spielberg reaches 79, proving rejection from USC film school couldn't stop the mastermind behind "Jaws" and "Schindler's List." Meanwhile, Christina Aguilera celebrates 45, her powerful vocals still commanding attention since her "Genie in a Bottle" days, and privacy-loving Sia turns 50, continuing to champion animal rights. The royals are spreading holiday cheer with William and Kate's heartwarming 2025 Christmas card featuring their children, while the Kardashians reveal This content was created in partnership and with the help of Artificial Intelligence AI.