Baby bliss! Blake Lively and Ryan Reynolds are expecting their third child together.

The 31-year-old actress revealed the pregnancy news when she stepped out to support her husband's new film — "Pokémon: Detective Pikachu" — at the premiere in New York City on Thursday.

BLAKE LIVELY AND RYAN REYNOLDS' REACTION TO DAUGHTER'S VOICE AT TAYLOR SWIFT CONCERT IS PRICELESS

Lively is seen in a shimmery yellow dress, which hugged her baby bump. The "A Simple Favor" star was all smiles as she took solo pictures on the carpet. She also posed next to Reynolds, 42, who sweetly put his hand on Lively's back.

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The couple — who tied the knot in 2012 — are already parents to two daughters: Inez, 2, and James, 4.

A rep for Lively did not immediately respond to Fox News' request for comment.