Plus, looks from Willow Smith, RiRi and Rita Ora.
It's the third child for the actress and husband Oi Parker.
Idris Elba, Naomie Harris, Thandie Newton and more!
Another round of stars who could be twins.
Diddy, Tracy Morgan and Alfre Woodard also celebrate this week.
Plus pics of Janelle Monae, Nas, Alicia Keys and more.