Jesse Williams welcomes second child

"Grey's Anatomy" star Jesse Williams and his wife, Aryn Drake-Lee, have welcomed their second child together.

Williams, 34, and the real estate broker, 33, married in LA in September 2012, and are already parents to daughter Sadie, 21 months, reported Us magazine.

Earlier this month, the actor opened up about fatherhood while promoting his Clearasil #TeacherTruths campaign.

Williams has played Dr Jackson Avery on the ABC medical drama since 2009.