Exclusive: Follow BroadwayWorld on Snapchat for the Opening of IT SHOULDA BEEN YOU!

Tony and Emmy Award winner Tyne Daly, Tony Award winner Harriet Harris, Sierra Boggess and Lisa Howard head an outstanding cast in It Shoulda Been You, the hilarious and heartwarming new musical comedy that proves when it comes to wedding day insanity, everything is relative. It Shoulda Been You, which had a sold-out premiere at New Jersey's George Street Playhouse, officially opens tonight, April 14, 2015 at the Brooks Atkinson Theatre.

What better way to celebrate the big night than with a behind-the-scenes look at the show through the bwayworld Snapchat handle? From the red carpet to the wings, the orchestra pit, dressing rooms and star-studded after-party, get the most unprecedented social media access to go inside the big wedding at the Brooks Atkinson Theatre.

Tune in today at 5pmET for special night of EXCLUSIVE content from the cast and creative team of the much-anticipated new musical!

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It Shoulda Been You, a new musical comedy directed by David Hyde Pierce in his Broadway directorial debut, features an original book & lyrics by Brian Hargrove and music by Barbara Anselmi. It Shoulda Been You puts a refreshingly modern spin on the traditional wedding comedy, proving that when it comes to wedding day insanity, it's all relative.

The cast of It Shoulda Been You includes Tony Award-winner Tyne Daly, Tony Award-winner Harriet Harris, Sierra Boggess, Lisa Howard, David Burtka, Tony Award nominee Montego Glover, Chip Zien,Josh Grisetti, Adam Heller, Michael X. Martin, Anne L. Nathan, Nick Spangler, and Edward Hibbert, along with Farah Alvin, Gina Farrell, Aaron Finley, and Mitch Greenberg.

In the hilarious and heartwarming new musical It Shoulda Been You, it's a culture clash for the ages when two families from wildly different backgrounds come together to celebrate a wedding. As if the union wasn't complicated enough, the bride's ex-boyfriend arrives, bringing the wedding to a screeching halt and throwing both families into hysterical chaos. Plots are hatched, promises broken, secrets exposed -- and the bride's resourceful sister is left to turn an unmitigated disaster into happily ever after.