LiAngelo Ball's still got 1 person 100% behind him after his embarrassing arrest in China -- and we're not talkin' about LaVar, Lonzo or LaMelo.
LiAngelo's high school sweetheart, Isabella "Izzy" Morris , just shared a pic of her and 'Gelo with the caption, "Old pic, same love" ... essentially confirming she's stickin' by her man through the hard times.
Her timing's pretty on point. The middle Ball bro is literally in the air flying back from Shanghai .