Dierks Bentley , Keith Urban and Lady Antebellum have joined the lineup for the ACM Presents: Tim McGraw's Superstar Summer Night special. International pop star Pitbull will also be on the bill. The show will tape Monday, April 8 in Las Vegas and air at a later date on CBS.

Jason Aldean , Luke Bryan , Taylor Swift and Ne-Yo are among the previously-announced performers on the show. Tickets to attend the taping are now available through Ticketmaster.com.

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