Jersey Shore: Family Reunion’s Angelina Pivarnick announced she is pregnant. The reality TV star shared the news on the Thursday, May 14, episode as she showed her costar, Sammi “Sweetheart” Giancola, a positive pregnancy test. “There’s no way that it just happened naturally. There’s no sperm donor now,” a shocked Angelina, 39, said, referencing her fertility journey that has been one of her main storylines this season. “I did not think I was able to get pregnant but wow, I’m … pregnant,” Angelina said on a piece-to-camera. “This could be a great thing. This could be my fairy tale, my…