Prince William and Princess Catherine (officially now the Duke and Duchess of Cambridge) tied the knot in the wee hours of the morning here in the US, and if you were following along live you'd know that Twitter was all aflutter with royal wedding bliss. We weren't the only ones tweeting along as the ceremony unfolded, celebrities chimed in as well. Check out reactions from Stephen Colbert, Brooklyn Decker, Gayle King, and lots more!
Celebrities React to the Royal Wedding on Twitter!
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