Kaley Cuoco Supports Sister Briana Cuoco at Vegas Show!

Kaley Cuoco and her sister Briana Cuoco pose backstage at the show BAZ – Star-Crossed Love on Saturday evening (September 10) at The Palazzo Las Vegas in Las Vegas, Nev.

Briana has a starring role in the new show, and the 30-year-old Big Bang Theory actress stopped by to support her sister and snap a pic with the cast!

“Backstage w the @bazlasvegas #baz show @palazzovegas !!!! Amazing show and @bricuoco is beyond words! Go see it!!,” Kaley captioned one of the photos on Instagram.

Baz is a “new generation cabaret and high-energy movie-music mash-up” that blends Baz Luhrmann‘s greatest love stories including Romeo + Juliet, The Great Gatsby, and others.