Isaac, Taylor and Zac Hanson are famous for their flawless harmonies and catchy, pop-rock tunes, so it’s no wonder they befriended cast members of FOX’s musical sitcom, ‘Glee.’ The brothers hung out with Matthew Morrison and Darren Criss last weekend, and there are tweets and pictures to prove it!

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Adam Levinerecord a duet
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At the end of the video stream, Taylor named Criss “the new fourth Hanson,” which left us dying to know if we can expect a Hanson + ‘Glee’ collaboration in the future. In the meantime, be sure to tune in to 'The Tonight Show With Jay Leno' tomorrow night (April 9) to watch the talented trio perform their new single!

Watch Darren Criss Perform With Hanson