What Parenting Advice is Given by Meghan Trainor to Hailey Bieber

Meghan Trainor's lips are moving and she's talking all things motherhood.

[{"selector":"#anim-27452b5d-9bc1-4b6e-9d3b-cc09620e0089","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-4e13c66b-4d2b-41d2-acbf-9da434046f9e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

The singer, who is mom to 19-month-old son Riley, revealed the crucial piece of advice.

[{"selector":"#anim-bdf75e5c-fbb6-43ab-a032-7e2bb4ef3437","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-706cda12-bdf0-46ec-bb2e-9e6db3c8a5c6","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

She told the supermodel, who married Justin Bieber in 2018.

[{"selector":"#anim-52401fb5-e467-4bd3-a67b-5667fe712d40","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-a6942c54-1a64-476e-bca9-584bbf57f2c9","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

"‘The best thing you can do when you have a baby is find a group of moms and join them.' It's lifelines."

[{"selector":"#anim-569a4d73-27b7-49bd-828c-a8e1f4438254","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-65d84e7c-5314-445e-a93b-48fa7bc9be55","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Meghan is grateful for the bond she shares with her friends, even taking a moms' getaway.

[{"selector":"#anim-1885c8dd-a164-4bd7-bcc5-42a2949f84d0","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-abf804b0-2ad7-4154-8b6c-66bd9359b99a","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

"I got lucky. All the moms in our group are so cool," she revealed.

[{"selector":"#anim-8f5e1efe-9e2e-461e-85ed-42fa3b6f0f44","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-6fba305a-cf6b-42b1-a051-242c29bc59cb","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

That's not the only bathroom talk Meghan spilled in the interview.

[{"selector":"#anim-47847546-fd64-43e4-8e2c-2401cbeae7af","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d4b6a741-8109-421d-916f-695311abc8f4","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Grammy winner also shared how she feels about the internet going wild over her revelation.

[{"selector":"#anim-c75167b7-d7f4-4deb-a5b1-b9e616ad4cbd","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-4f9ef901-7e82-4c77-8125-a1feef418de0","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

"I'd be like, ‘I have to piss! Move it!'," she explained. "He was like, ‘OK…' But it's my favorite part of the house."

[{"selector":"#anim-56aa89b5-57b7-45ce-a225-9fb21eb79b3e","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3b273e37-6375-4ed4-b28f-18ca077f2581","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

[{"selector":"#anim-46f93b4b-9d83-4b4e-98e8-b55593b18fe6","keyframes":[{"offset":0,"transform":"translate3d(0, -589.40961%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.29,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.45,"transform":"translate3d(0, -165.74198233200002%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.61,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.71,"transform":"translate3d(0, -56.34755871600001%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.8,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.85,"transform":"translate3d(0, -21.159804999000002%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.92,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.96,"transform":"translate3d(0, -9.194789916%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":1,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"}],"delay":0,"duration":1600,"fill":"both"}] Why Pregnant Chrissy Teigen Says Her Esophagus “Feels Like Hot Lava” Learn more