Gossip Girl star Chace Crawford celebrates his 24th birthday today. Happy birthday, Chace! We've had a lot of fun watching the Texan become a star in the last two years, and have equally enjoyed observing the evolution of his character's hair. 

In honor of his special day, here are 24 pictures of the handsome star who plays Nate Archibald on our favorite show. Click to enlarge these Chace pics ...

Also celebrating a birthday on this 18th of July? The uber-snarky voice of Gossip Girl herself, Kristen Bell! The cutie is 29. Happy birthday to you too, Kristen!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.