The TV screenwriter and producer has revealed she became a mother for the second time in February (12).
Little Emerson Pearl joins Rhimes' daughter Harper, who she adopted in 2002.
She tells UsMagazine.com, ""Emerson is incredibly mellow. We're just doing a lot of bonding right now. This is a happy time - I feel so lucky.""
Rhimes reveals she had been planning to expand her family for some time, but the news still came as a surprise to many of her friends and colleagues.
She says, ""I've been writing adoption into storylines on my shows and only a few people close to me knew about my plans. I think the response was, 'Oh my goodness' from a lot of people.""