NHL star Evander Kane and his model GF Mara Teigen are expecting ... and they announced the new arrival by sharing smokin' hot pics of the model's baby bump in a bikini photoshoot.
The two lovebirds posted the exciting news on social media ... with Teigen saying, "23 weeks growing with you ud83eudd0d We love you little one ud83eudd0d."
Check out the pics ... you can see Evander and Mara with their hands on the baby bump -- as they soak in some sun on the beach.