Celebrity Parents Pregnant Meghan Trainor Dons Sparkly Two-Piece and Sings New Song 'Mother' with Son Riley The singer is currently pregnant and expecting her second baby with husband Daryl Sabara By Nicholas Rice Nicholas Rice Instagram Twitter Nicholas Rice is a Staff Editor for PEOPLE Magazine. He began working with the brand as an Editorial Intern in early 2020, before later transitioning to a freelance role, and then staff positions soon after. Nicholas writes and edits anywhere between 7 to 9 stories per day on average for PEOPLE, spanning across each vertical the brand covers. Nicholas has previous work experience with Billboard, POPSUGAR, Bustle and Elite Daily. When not working, Nicholas can be found playing with his 5 dogs, listening to pop music or eating mozzarella sticks. People Editorial Guidelines Published on March 3, 2023 09:25 AM Share Tweet Pin Email Meghan Trainor and son Riley. Photo: Meghan Trainor/Instagram Meghan Trainor is all about that bump! The singer — who is currently pregnant and expecting her second baby with husband Daryl Sabara — shared an adorable video on Instagram Friday of herself dancing to her soon-to-be-released song "Mother." In the clip, Trainor, 29, could be seen wearing a sparkly two-piece ensemble that exposed her midriff and accentuated her growing baby bump. Her 2-year-old son Riley also made an appearance in the video and was seen to the side of the camera's view, before he latched on to his mom's leg at one point. "Riley is ready for #MOTHER 🤰💖 3.10 💖," Trainor captioned her post, adding the hashtags, "#IAmYourMother" and "#21WeeksPregnant." Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Pregnant Meghan Trainor Shares the Moment She Found Out She Was Expecting Her Second Baby Trainor and Sabara, 30, first shared their exciting baby news earlier this year, confirming that their second child together is on the way. "What a blessing," Trainor told PEOPLE exclusively in January. "I'm just so grateful I can get pregnant." "And I'm like, 'I'm crushing it. This is amazing. This is my dreams,' " she added. "I'm halfway there — I want four kids!" RELATED VIDEO: Meghan Trainor Pregnant, Expecting Second Baby with Husband Daryl Sabara: "I'm Crushing It" The "All About That Bass" singer later chatted with PEOPLE again last month about her second pregnancy and revealed that she already knows a lot about her soon-to-be newborn. "Everything's done," Trainor said. "We know the gender. We know the name. We know the full name." "I've already painted the room. I'm prepared this time," she added.