Let's make this birthday one to remember.

46 years old (Born on November 08, 1978)

Happy Birthday, Keir O'Donnell! From crashing weddings alongside Vince Vaughn and Owen Wilson to chasing down mall criminals with Kevin James, you've given us countless laughs. Your hilarious portrayal of quirky characters has made films like "Wedding Crashers" and "Paul Blart: Mall Cop" unforgettable comedic gems.

And let's not forget your brilliant recurring role on the acclaimed series "United States of Tara," where you showcased impressive versatility beyond comedy. May this birthday bring as much joy and laughter into your life as you've brought into ours—here's hoping no wedding or shopping mall is safe from your charm today!