Kevin Jonas arrived with wife Danielle to see “Buyer & Cellar,” a one-man show about Barbra Streisand starring “Ugly Betty” actor Michael Urie. Jonas was overheard saying that Danielle is pregnant with a girl and is due on Feb. 6. People close by noticed that he had a gash on his face, amid ­rumors about the breakup of the ­Jonas Brothers. When asked, he said, “I walked into a pole.” Others at the performance included Jessica Chastain, James Franco, Jane Fonda and Jesse Eisenberg.