My best friend wants to kill herself I don’t if she is saying it seriously but she is actually told me this more than one time

Help me plead what do I tell her ? I’ve messaged her A LOT of stuff

Like she is strong

She is beautiful the way she is

She has her baby brother

And like I don’t what to do tomorrow I can’t visit her and I’m scared she would do something stupid please help me

Do I tell her mother ? I told her to seek help with her mom, and she just told me her mom would get her to a psychiatrist and she doesn’t want to

HELP ME PLEASE HELP ME