Lady Gaga’s baby girl was born this way — via surrogate. The pop star and her husband welcomed daughter Rose Bean with the help of a gestational carrier, TMZ reported Thursday. Additional details on the singer’s surrogacy journey are not yet known. Gaga’s rep did not immediately respond to Page Six’s request for comment. The outlet revealed on “Bad Romance” hitmaker’s infant’s name and sex on Thursday, nearly one week after Page Six broke Gaga’s baby news. The little one arrived on June 9 at 11:19 PM PT in Los Angeles. A source told us Monday that Gaga’s journey to become a mom, which we hear started in 2024, has had “ups and downs” due to…