Gloria Estefan to Lead Live Singalong on Tonight's BEST TIME EVER

On tonight's episode of BEST TIME EVER WITH NEIL PATRICK HARRIS, basketball and broadcasting icon Shaquille O'Neal serves as this week's celebrity Guest Announcer.

"Neil Versus" returns, with "Heroes Reborn" star Zachary Levi stepping up to take on Neil in a new challenge.

Gloria Estefan (Broadway's On Your Feet) will lead "Singalong Live," where three home viewers from across the country will be surprised and have their karaoke skills put to the test - live.

For this week's "End of the Show Show," the world famous Blue Man Group joins Neil for a thrilling performance to close the show.

Also on the show, an audience member will play "Get Lucky" for a chance at winning amazing prizes.

Five Emmy Awards and a Tony Award make multi-talented Neil Patrick Harris the perfect star for this live one-hour show that is unlike any other on American television. Anything can happen on "Best Time Ever with Neil Patrick Harris," which will feature appearances by A-list stars, stunts, comedy skits, incredible performances, mini game shows, audience giveaways and hidden camera pranks.

Based on the wildly popular British hit "Ant & Dec's Saturday Night Takeaway," this genre busting-format and its fearless star will make for one of the best nights ever on TV week after week.

Neil Patrick Harris, Siobhan Greene, David A. Hurwitz, Anthony McPartlin, Declan Donnelly and Orly Adelson executive produce. "Best Time Ever with Neil Patrick Harris" is produced by ITV Studios America, in association with Prediction Productions, Inc.

Photo Credit: Walter McBride / WM Photos

Photo by: Virginia Sherwood/NBC