Blues boss Dai Young knows that the hard work his side have put in since their painful defeat to Toulouse last year has paid off.
The Blues boss watched nervously from the Millennium Stadium touchline as his troops dug deep to complete a nine-six win over the most decorated side in European rugby history.
But nerves were gone in the post match press conference, and young hailed his growing team. "The players have improved game on game, season on season.
"We have been moving forward over the past two-to three years and its al culminated in this result.
"It was a great day both on and off the field. We made life difficult for ourselves but we got the result, and a place in the semi-final
Not only have the Blues impressed on the park, they have impressed off it. A second trip to the Millennium Stadium awaits them, and, in light of the record home crowd of 36,728 they pulled for today's game, Young and co. won't be too worried about rattling around in one of the largest stadium's around.
And the coach paid tribute to the progress his side have made. He said; "For a Welsh team attendance to day is a great measure on how far the team has come in the past few years a measure of interest
"From the regions' point of view it's a great day and a great experience."
Wales Head Coach Rob Howley talks to WRU TV's Sebastian Barrett about the 36-man squad he has just named for the forthcoming Under Armour series, which includes two uncapped players, Ospreys duo Sam Davies and Rory Thornton.
Head coach Rowland Phillips is deligthed he can now call BT Sport Cardiff Arms Park home for his Wales Women's side, who launch their international season next month with games against Scotland and UK Armed Forces in the heart of the capital city.
Wales Sevens star Sam Cross has put his home town club of Brynmawr on the map after winning a silver medal at the Rio Olympics with Team GB. His club have now honoured him by naming their players bar after him, as WRU TV discovered at the official launch, recently.
One of the newest members of the Principality Premiership, Bargoed admit it's proving to be a steep learning curve at the highest level, but are determined to become a force to be reckoned with. WRU TV visited the club last weekend when they took on Llanelli.
Table-topping Aberavon travel to north Wales to tackle RGC 1404 as both teams defend unbeaten starts to the season in the Principality Premiership. WRU TV's Graeme Gillespie visited the Wizards to see how their preparations were going for the game of the weekend.
The Half a Game initiative is currently sweeping across Wales and proving a major success. The scheme aims to give every young player at least half a game every weekend. WRU TV recently visited a festival in Narberth where clubs have fully embraced the initiative.
Both Bargoed and Swansea were seeking their first win of the Principality Premiership season this afternoon. It proved a fruitful day for the hosts - not only did they win, but Bargoed claimed a try bonus point.