Several stars congratulated the pair in the comments, including Twilight star Nikki Reed, who said she can’t wait to give the baby a cuddle.
She wrote: “oh be still my heart. Congratulations to you both, I’m so so happy for you. Baby Lenny, Auntie Nik is ready to give you all the snuggles [sic]”.
Makeup artist Manuel Gutierrez jnr said: “IM SCREAMINGGGGGGG!!!! Congrats you 2 omg my heart!!! Can’t wait to meet this angel [sic].”
A comment on the official Twilight Saga page read: “congratulations”.
Taylor and Tay shared the “secret” of the tot’s sex with fans in June via video.
The clip showed the couple sitting around a laptop as they clicked to find out the news, screaming together as the word “girl” appeared over the video in pink letters.
Tay sobbed into her hands before the 34-year-old actor put his arms around her and planted a kiss on her forehead.
They captioned the video: “Our little secret is now yours.”
Taylor and Tay had announced their baby news on Instagram with a series of pictures, including them holding a sonogram picture and posing outdoors.
The caption read: “What’s better than two Taylor Lautners?” – a reference to their shared name. Tay wore a sleeveless white dress, while Taylor co-ordinated in a white shirt, black trousers and white trainers.
Messages of support from friends and former co-stars followed.
Reed said: “Oh my goodness – heart bursting. I love you guys. I can’t wait to watch your journey as parents unfold.”
Kellan Lutz commented: “Congrats brother! It’s the best!” Mackenzie Foy said: “Congratulations.”