As of now, there has been no official announcement regarding "Pitch Perfect 4." While "Pitch Perfect 3" was released in 2017 and the franchise has a strong fan base, Universal Pictures has not confirmed any plans for a fourth installment. In recent interviews, some cast members have expressed interest in returning, but nothing concrete has been set in motion. Fans will need to stay tuned for any updates on the possibility of a new sequel.

Yes, "Pitch Perfect 3" is a movie that was released on December 22, 2017. It is the third installment in the "Pitch Perfect" series, following the Bellas as they reunite for one last performance after college. The film features returning cast members, including Anna Kendrick, Rebel Wilson, and Brittany Snow, and it focuses on their journey as they navigate life after graduation and participate in a music competition for military servicemen. The film combines comedy, music, and themes of friendship and growth.

In "Pitch Perfect 3," the character who is revealed to be pregnant is Aubrey Posen, played by Anna Camp. This revelation comes as a surprise to her friends, the other members of the Barden Bellas, during their reunion. The film follows the Bellas as they navigate life after college and participate in a USO tour, showcasing their growth and the enduring bond of their friendship.

"Pitch Perfect 3" flopped for several reasons. Firstly, it faced tough competition at the box office, opening against popular films that drew audiences away. Additionally, the film received mixed to negative reviews from critics, which affected its appeal. Many fans felt that the sequel did not live up to the charm of the first two films, leading to lower audience turnout. Furthermore, the storyline was criticized for being less engaging and coherent, causing some fans to lose interest in the franchise. Overall, these factors contributed to its underperformance.