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They strolled through the lounge beaming at waiting photographers, with Ned's arm lovingly draped around his leading lady's shoulder.
At Sunday’s glittering ceremony, the mum-of two picked up a trophy for her title role in TV drama Mildred Pierce.
And her beau couldn't have been prouder as he gave her a congratularory kiss.
Kate, 36, and Ned have been inseparable since they met at his uncle Richard Branson's idyllic hideaway, Necker Island.
Part of the attraction for the actress is clearly the 33 year-old's fun-loving approach to life.
Formerly Ned Abel Smith, he changed his name by deed poll in 2008 to Ned RocknRoll "as a fun reminder to make sure every moment of every day is spent wisely and enjoying life".
Their union comes a year after Ned, who works at Virgin Galatic, his uncle's space travel project, split from his wife, aristocrat Eliza Cowdray.
Faithful to Ned's colourful style, their wedding celebration, which was featured exclusively in HELLO!, took place over two ceremonies. A barefoot service on Necker Island was followed by another celebration at the bride's sprawling £25-million family estate.
The dress code included "flamboyant trousers" for the men, and the ceremony was overseen by a shaman and ended with the entire wedding party sharing a "hug of love".