Happy Birthday, Rachel "Summer from The OC" Bilson (29)!

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Happy Birthday, Elvis Costello (56)!

Happy Birthday, Sean Connery (80)!

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Many more very important b-days after the jump!

Happy Birthday, Rachel Ray (42)!

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Happy Birthday, Tim Burton (52)!

Happy Birthday, Gossip Girl Blake Lively (23)!

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Happy Birthday, Judas Priest's Rob Halford (59)!

ALSO! Happy Birthday, Gene Simmons, Billy Ray Cyrus, Claudia Schiffer, Anne Archer, Monty Hall, and Regis Philbin! (He's not dead, right? Right.)