People who correspond with CB on here Facebook page and on Instagram have heard of it.
Not to mention CB's public appearances with the wine, including TV.
Googling "Christie Brinkley wine"...second hit on the first page takes you to www.bellissimaprosecco.com
And when I google "Bellissima Prosecco Investing", the #1 hit on the first page is...ICNB. Googling "Invest in Bellissima Prosecco" works well too, ICNB is the #2 hit on the first page.
Pretty good coverage and visibility, IMO.