The musical comedy, HATS! at Harrah’s Las Vegas tips its ‘hat’ farewell with a final show on July 10.  The “fun, fabulous and fifty” cast has performed at Harrah’s Las Vegas since January. Tickets for HATS! are $49.95 (plus tax and fees) and are available at the Harrah’s Las Vegas box office, online at http://www.harrahs.com/las-vegas-entertainment or by calling (702) 369-5111. Advance tickets purchased beyond July 10 are fully refundable. MEANWHILE. The Second City, the show that inspired Saturday Night Live and turned improv comedy into a true art, will be leaving Flamingo Las Vegas this  summer after a seven-year run. The Second City’s final performance is scheduled for Aug. 1. Tickets for The Second City are $49.95 (plus tax and fees) and are available at the Flamingo Las Vegas box office, online at http://www.flamingolasvegas.com or by calling (702) 733-3333.