She wore a fitting sequenced yellow dress and took the opportunity to debut a baby bump.
While pregnant both times, Blake and Ryan did not announce the pregnancies in a big announcement, but instead just subtly revealed the news on the red carpet with an evident bump.
Blake Lively and Ryan Reynolds with their children attend a ceremony honouring actor Ryan Reynolds with Star on the Hollywood Walk Of Fame on December 15, 2016, in Hollywood, California.
As US sanctions kick in, Indian refiners brace for costly crude
Iran's Oil Minister Bijan Zanganeh talks to journalists at the beginning of an OPEC meeting in Vienna, Austria December 6, 2018. Brent for June settlement, which expires Tuesday, gained 76 cents to $72.80 on the London-based ICE Futures Europe exchange.
The video then showed Lively, who told the camera, "They're our daughters".
"I think we all knew I'd wind up as a miniature detective repeatedly saying the same two words", Reynolds remarked on Twitter.
Taking time to think of the question, Reynolds said, "I don't really know". If she is doing a movie in Thailand and I am doing a movie in Vancouver we would just never see each other.
"She made us watch it a hundred times in a row. I love being around them - it's the best thing in the world".
Pokemon Detective Pikachu is set to release pan India on May 10 by Warner Bros.