Meghan Trainor's sons are thrilled to have a sister.
The 32-year-old singer and her 33-year-old husband, actor Daryl Sabara, welcomed baby Mikey Moon into the world via a surrogate on January 18 - but shared the joyous news via Instagram on Tuesday (20.01.26) - and Meghan adores seeing their boys, Riley, four, and Barry, two, get to know her.