Beat 2 envelopes of dream whip w/ 1 cup of milk and vanilla on high for 6-8 mins (till thickens and peaks form).
Add remaining 1 3/4 cup of milk & pudding mixes, beat on low for 1 min. Then high for 2 mins, scraping bowl occasionally. Fold in 3-3 1/2 cups of blueberries. Spoon into pie shells.
Refrigerate for at least 4 hours, garnish with fresh blueberries and whip cream (if desired).