Living tennis legend Serena Williams has welcomed her and Alexis Ohanian's first child, a baby girl, according to a source at US Weekly.
Rumors Williams was in labor started circulating this morning, smack dab during the U.S. Open. The coincidence was not lost on the internet:
Friend and fellow new mum Beyoncé took to Twitter to congratulate the pair on the birth of their first child last night.
Serena Williams really is a world number one.
Alyssa Bailey is the senior news and strategy editor at ELLE.com, where she oversees coverage of celebrities and royals (particularly Meghan Markle and Kate Middleton). She previously held positions at InStyle and Cosmopolitan. When she's not working, she loves running around Central Park, making people take #ootd pics of her, and exploring New York City.