Fast-growing MSC Cruises unveiled yet another giant new ship over the weekend. 

The Switzerland-based line on Saturday officially welcomed the 4,134-passenger, 18-deck-high MSC Seaview with a star-studded christening ceremony in Genoa, Italy. 

At 154,000 tons, Seaview ranks as the 16th largest cruise ship in the world. 

A sister to the recently unveiled MSC Seaside, Seaview is the third new ship to debut at MSC Cruises in just the past 12 months. 

Currently operating 15 vessels, privately-owned MSC is in the midst of a massive expansion that is bringing nearly a dozen new ships by 2026. The company's passenger capacity is set to nearly triple in a decade.