Jayney Sutherlay will be sentenced in July after pleading guilty to the culpable homicide of Alistair MacFadyen.
The man is in a critical condition after being knocked down in Paisley early on Friday morning.
A search was launched after the 12-year-old disappeared from Paisley.
Two men jailed for at least 20 years over murder of George Calvert at his own home.
A 27-year-old woman was pronounced dead at the scene in Paisley on Saturday night.
The Vision for Paisley Town Centre 2030 includes a new cinema and European-style food hall.
Ela Orleans, Andrew Wasylyk, VanIves and Russell Stewart will perform at the two-day event.