It proved to be a knockout night for America's Ryder Cup stars after they reclaimed the famous trophy at Hazeltine.

After becoming social media's favourite bachelor, Rickie Fowler was in the thick of action during the after-party.

The 27-year-old was snapped by Dustin Johnson's fiance Paulina Gretzky in a full Rocky Balboa fancy dress outfit, including gloves, celebrating with the trophy in the USA team room.

Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest
Photo / Twitter.
Photo / Twitter.
Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest

Daft fancy dress seemed to be the theme of the night for Davis Love III's team with Dustin Johnson donning cheerleader ensemble and Phil Mickselson pulling on a star spangled banner poncho.

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At one point Bill Murray even popped by, the actor looking resplendent in a red, white and blue bucket hat.

Once the party dies down the Americans will have to bring their newly-won trophy to Europe in 2018 and consider how they go about defending it.

Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest

Mickelson, one of the key players in the 'task force' that masterminded America's success at Hazeltine, knows an away tie presents different problems.

"For us to go to Europe and try to win the Cup is a whole different feat," Mickelson said.
"That's going to require a whole different level of play, of solidarity, of fortitude and we are going to have to build on this in two years if we want to try to retain the Cup."

Photo / Instagram - Golf Digest
Photo / Instagram - Golf Digest

Europe's dominance dating to 1985 remains impressive. They still claim six of the last eight and eight of the last 11 Ryder Cup wins. Worse yet for the Americans, they have not won on foreign soil since 1993 at The Belfry.

Mickelson is aware of the history and is keen for the Americans to build on the 2016 win at Hazeltine rather than simply getting carried away with a one-off achievement.

'The thing about this is that we need to build on this,' Mickelson added. 'Otherwise it's all for naught.'