A SECOND half brace from Matty Williams ended the Robins Welsh Cup fairytale and handed The New Saints a domestic treble.
Williams' strikes at the start and end of the second half gave the Saints a deserved win at a packed out Latham Park.
Over 1,500 people crammed in to the ground as the Saints had a tight grip on the first half, threatening with early efforts from Chris Seargeant.
The midfielder was the Saints main threat, after he replaced Connell Rawlinson who went off on 13 minutes with a nasty ankle injury following a tackle from Luke Boundford.
The Robins rallied though, and caused problems from set plays, and Jason Oswell passed up a superb chance to give them the lead on the half hour.
A long Boundford throw was flicked on and Oswell, unmarked, failed to connect with a volley in the box.
However 10 minutes into the second period, the Saints were in front.
A long ball forward saw Williams take the ball down and lash past Dave Jones with the aid of a slight deflection.
Newtown failed to test Paul Harrison, with the best chance coming courtesy of a Boundford sliced effort.
With five minutes it was all over, as Shane Sutton took out Scott Quigley, with Dean John pointing to the spot, and handed the defender a red card.
Williams calmly slotted home to hand the Saints a perfect ending to their treble winning campaign.