• 'The Big Bang Theory' will finally be introducing Penny's mom in Season 10's premiere episode.

'The Big Bang Theory' will finally be introducing Penny's mom in Season 10's premiere episode. (Photo : Getty Images/Matt Winkelmeyer)

"The Big Bang Theory" stars Jim Parsons, Kaley Cuoco, Mayim Bialik and Melissa Rauch recently showed support for their co-star Simon Helberg in the latter's upcoming movie "Florence Foster Jenkins."

On their respective Instagram accounts, the stars of the hit CBS TV show shared a copy of the movie's poster and urged fans to watch the movie. In the photo, Helberg had a funny look on his face while giving life to his character Cosme McMoon.

Like Us on Facebook

Parsons, Cuoco and Bialik all shared the same photo, but each of them wrote a different caption. Parsons wrote, "Simon Helberg is in 'Florence Foster Jenkins' which opens today! From the NY times review: 'The actor you should keep your eye on is Simon Helberg. It is his reactions to her vocal travesties that really make the movie sparkle.' Go see him!!!"

Cuoco wrote, "Please go see this precious, adorable movie #florencefosterjenkins and see my dear friend melt your hearts!! #simonhelberg." Bialik wrote, "I'm #SimonHelberg's biggest fan of all time but in #FlorenceFosterJenkins he made me fall in love with him all over again. His comedy timing, physical skills as a comedian and his heart are all so layered and elegant. See this movie!!"

Meanwhile, Helberg's onscreen partner shared a photo of the actor with his "Florence Foster Jenkins" co-stars Meryl Streep and Hugh Grant. "Go see my brilliant TV hubby #simonhelberg in #FlorenceFosterJenkins It's INCREDIBLE & he's absolutely PHENOMENAL in it! In theaters now!" she wrote.

The film follows the life of Florence, a woman who's determined to sing her heart out even though her voice is not the nicest. Cosme happens to be Florence's pianist. He knows that Florence isn't good at what she does so it is his hilarious reactions to her singing that make the film equally funny.

"Florence Foster Jenkins" was released in the United States on Aug. 12.

"The Big Bang Theory" season 10 will premiere on CBS on Sept. 19 at 8 p.m. ET.