What to know

• The 40-year-old singer's daughter was born on June 9. While the reason for surrogacy remains unclear, the hitmaker has long been open about her battle with fibromyalgia.S1
• New details about Lady Gaga and fiancé Michael Polansky’s first child together have emerged one week after news broke that they are parents. The couple welcomed a baby girl named Rose Bean Polansky, according to the birth certificate obtained by TMZ on Thursda...S2