Johnny Galecki expecting first child with girlfriend Alaina Meyer

'Big Bang Theory' actor Johnny Galecki who is expecting his first child with girlfriend Alaina Meyer took to Instagram to express his happiness at becoming a dad.

The actor who is on cloud nine shared adorable pictures of himself with Meyer and wrote, "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."

In one of the pictures, the couple is seen clicking a selfie while in the second one the parents-to-be can be seen embracing on the beach.

According to the reports by Fox News, the couple made its debut at the E! People's Choice Awards in November 2018 and just a month later fans thought the pair were engaged after a photo appeared of the love birds wearing matching rings.

Meanwhile, on the work front, Galecki and his cast is gearing up for the 'Big Bang' finale which airs in a few weeks.

The cast includes Jim Parsons (Sheldon), Kaley Cuoco (Penny), Simon Helberg (Howard), Kunal Nayyar (Raj), Mayim Bialik (Amy) and Melissa Rauch (Bernadette) has been posting sentimental farewell messages during their final table read and scenes.