Rose Bean Polansky

Lady Gaga and Michael Polansky welcomed their daughter Rose via surrogate ... TMZ has learned. We broke the story ... the couple's daughter -- full legal name Rose Bean Polansky -- was born on June 9 at 11:19 PM PT in Los Angeles. It's unclear why the singer opted for surrogacy; however, she's…

Lady Gaga and Michael Polansky's baby is a girl named Rose ... TMZ has learned. According to the birth certificate obtained by TMZ, Rose Bean Polansky was born June 9 at 11:19 PM at Cedars-Sinai Medical Center in Los Angeles. It's unclear where the name Rose Bean originated from ... however Gaga…