A source exclusively tells Page Six that the “Losing You” singer “let Beyoncé know she’s there for her sister and is available to talk anytime she needs.”

Jay-Z — whose real name is Shawn Carter — seemed unfazed by the recently amended civil lawsuit accusing him and Sean “Diddy” Combs of raping a “Jane Doe” in 2000 when she was just 13 years old. The Roc Nation founder denied the “heinous” allegations,