Speak out Chinese--Congratulations to Amber Heard--how to congratulate

the photo in the video is By Gage Skidmore from Peoria, AZ, United States of America - Amber Heard, CC BY-SA 2.0, commons.wikime..., THANKS!
POINTS in the video
1. Expressions related with PREGNANT in Chinese, 怀孕，有宝宝，有喜
2. differentiate "喜得贵子" and “喜得千金”
3. way of using "恭喜" in such event.