The answer to that question is a matter of quality, not safety, assuming proper storage conditions - when properly stored, a bottle of peach liqueur has an indefinite shelf life, even after it has been opened.
How long does Bellini last?
Shelf life: 18 months from bottling Packaging: 750 ml size bottle Its elegant and captivating bouquet astonishes for its freshness which exalts its fruitiness.
Does Bellini wine expire?
Most ready-to-drink wines are at their best quality within 3 to 5 years of production, although they will stay safe indefinitely if properly stored; fine wines can retain their quality for many decades. ... For best quality, unopened sparkling wine should not be refrigerated until 1-2 days before drinking.