By Christine Rendon For Dailymail.com
Published: 21:30 BST, 3 May 2019 | Updated: 21:53 BST, 3 May 2019
The Big Bang Theory star Johnny Galecki is expecting his first child with girlfriend Alaina Meyer.
Johnny, 43, and Alaina, 21, announced the big news on Instagram, writing: 'We are absolutely over the moon to announce that we will soon be welcoming a little one into this crazy and wonderful world.
'We ask that you please respect our privacy during this celebratory time for us and our families. There truly is love out there for all. We hope ours is the ember of yours, as we feel yours is the ember of ours.'
Congratulations! The Big Bang Theory star Johnny Galecki is expecting his first child with girlfriend Alaina Meyer
The ecstatic message was accompanied by two photos of the parents-to-be, including one of Johnny and Alaina sharing an embrace on the beach.
Johnny and Alaina only went public with their romance on social