Happy Birthday, Josh and Zach Carter!

The Nashville twin cuties turn 20 today!

There are so many March 1 babies — even Zach noticed. He tweeted, “Whoa… So @justinbieber, us and Ke$ha‘s bday are all tomorrow!! Lots of march 1 babies… Sweeeeeet.”

The guys are throwing a throwing a CMA Fest Party later this year and want you to be a part of it. Josh and Zach will be meeting fans, playing an acoustic set and doing a Q&A session. For more info, log onto CarterTwins.com.