L.A. based coroners have ruled the 33-year-old's death as a suicide.
The star is best known for her YouTube series Little Loca, her pop culture sketch series on VH1 called Stevie TV and for co-hosting Brody Jenner's E! TV series.
She was most recently the co-host of a podcast about depression called Mentally Ch(ill).
Just two days before Ryan's passing, she revealed in a segment that her grandfather had died days before.
Stevie's Mentally Ch(ill) co-host, Kristen Carney took to Twitter to write a message to her late friend.
"RIP @StevieRyan The coolest girl I've ever known." She wrote.
If you or someone you know needs help, contact Lifeline Australia on 13 11 14 or visit the website at lifeline.org.au. If it’s an emergency, call 000.