Screen stars Sharon Stone and Andie MacDowell are joining forces with singer Michael Bolton to officially name two new ships.

The Hollywood veterans will attend a glitzy gala in the Douro River region of Portugal on Thursday (21Mar13) and will christen two luxury vessels, AmaVida and the Queen Isabel.

Bolton will also be a part of the ceremony, organised by cruise company DouroAzul, by providing the evening's entertainment for the assembled guests.

DouroAzul boss Mario Ferreira says, "The city of Porto is buzzing with excitement ahead of welcoming Hollywood royalty to our launch this week. Our two new luxury ships are guaranteed a most glamorous christening with Sharon, Andie and Michael in tow."