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America Ferrera and Ryan Piers Williams welcome baby No. 1

Ryan Piers Williams and America Ferrera attend the 68th Annual Primetime Emmy Awards on Sept. 18, 2016 in Los Angeles.

Alberto E. Rodriguez/Getty Images

LOS ANGELES — America Ferrera is a mom for the first time. The "Ugly Betty" actress wrote on Instagram on Tuesday that she and husband Ryan Piers Williams were welcoming "Sebastian Piers Williams — aka Baz!"

She added that all three of them are "happy, healthy and totally in love."

The 34-year-old actress and her husband announced on New Year's Eve that they were expecting their first child. The couple got married in June 2011.

Ferrera and Williams held a baby shower in March that included Ferrera's former "Ugly Betty" cast mates like Ana Ortiz and Mark Indelicato. 

Recently, Ferrera showed off her baby bump in a photo shoot for a Levi's line that benefited Everytown for Gun Safety.