updated 08/17/2010 AT 11:00 AM ET
•originally published 08/17/2010 AT 12:10 PM ET
The newly single Manson, 41, then hit the town Saturday night, dining at L.A’s STK and clubbing at next door Boudoir with a group including Twiggy, Manson’s longtime guitarist, and former Playmate of the Year Colleen Shannon.
“They just broke off their engagement, and he needed a night out with friends,” says another source.
While together, the shock rocker proposed to the True Blood actress, 22, during a January stage performance in Paris, according to reports.
They reconciled for a short time, only to split again before becoming engaged last January.