FT: Derry 0-17 Donegal 4-11
Daire O Baoill (2), Oisin Gallen and Jamie Brennan scored Donegal's goals
Derry's three-in-a-row Ulster bid ended
Well, I think few if us would have expected that result but congrats to Donegal as they overcame holders Derry.
Donegal will meet the winners of Sunday's game between cavan and Tyrone and we'll be back for coverage of the Breffni Park quarter-final.
But that's all from us for now - thanks for your company.
FT: Derry 0-17 Donegal 4-11
Quote MessageI'm delighted for the boys, because they have put in a massive shift all year, and I think that we got our just rewards today.
Paddy McBrearty, Donegal captain
FT: Derry 0-17 Donegal 4-11
Oisin McConville
Armagh All-Ireland winner on BBC Sport
There's probably a lot of those players that haven't played under Jim McGuinness.
I think when you're coming in as a manager and you're selling something to the players they need to see it's working.
They did in Division Two and they did today.
FT: Derry 0-17 Donegal 4-11
Quote MessageWhen opportunities like that arise, you have to make sure that you're able to nail them, because it's crucial to get goals in games like this.
Daire O Baoill, Donegal forward
FT: Derry 0-17 Donegal 4-11
Michael Murphy
Former Donegal captain and All-Ireland winner on BBC Sport
It was nice and the goals were the killer. They were all simillar and you can imagine that was practiced and practiced on the training ground.
It was the confidence, the energy and the more the game went on the more they felt they belonged.
FT: Derry 0-17 Donegal 4-11
Quote MessageI'm very happy. Their application was great, their work rate was great and tactically they nailed everything.
Jim McGuinness, Donegal manager
FT: Derry 0-17 Donegal 4-11
Matt Gault
BBC Sport NI at Celtic Park
What a result.
Thirteen years on, Jim McGuinness sends a bolt through Ulster once again.
McGuinness shared what looked like a very cordial and respectful exchange with Mickey Harte at full time and it won't be the last time they meet in the championship.
What a game.
FT: Derry 0-17 Donegal 4-11
Derry's reign as Ulster champions comes to a shocking end at Celtic Park as they lose by six points to Donegal.
Daire O Baoill hit the net twice, before Oisin Gallen rolled home a penalty and Jamie Brennan put the game beyond doubt with Donegal's fourth of the evening.
Jim McGuinness' second spell at Donegal is off to a remarkable start, and he gets one over on his old rival Mickey Harte.
Whilst Donegal are worthy winners, Derry were the architects of their own downfall, with their goalkeeper Odhran Lynch caught off his line for three of the goals, and the other coming from a penalty.
Donegal will meet either Cavan or Tyrone in the semi-final next Sunday.
Derry 0-15 Donegal 4-11
Shane McGuigan gets his first from play of the evening.
Derry 0-14 Donegal 4-11
Derry's Ethan Doherty points to a smattering of applause from the Derry support.
Derry 0-13 Donegal 4-11
Oisin Gallen scores Donegal's third goal from a penalty.
Watch: Oisin Gallen scores for Donegal
Derry 0-13 Donegal 4-11
Donegal have another point to push out to a TEN point lead - Oisin Gallen from a free.
Derry 0-13 Donegal 4-10
Matt Gault
BBC Sport NI at Celtic Park
Attendance is called out: 14,714.
They've witnessed a classic in the sun.
Derry 0-13 Donegal 4-10
Philly McMahon
Eight-time All-Ireland winner with Dublin on BBC Sport
This is crazy - why was the call not brought on to change that structure with the keeper coming out. If it happened twice, if it happens three times then you need to change it, do something different. That's not good enough.
Derry 0-13 Donegal 4-10
For Donegal, Odhran Doherty is in for Jason McGee whilst Derry's Eunan Mulholland is in for Ciaran McFaul.
Derry 0-13 Donegal 4-10
The Donegal supporters are in dreamland at Celtic Park, as Ciaran Thompson pushes them further ahead.
Derry 0-13 Donegal 4-9
Matt Gault
BBC Sport NI at Celtic Park
A healthy Donegal roar greeted that goal. Emphatic finish from Jamie Brennan.
What a scoreline this is.
Jamie Brennan (Donegal) 64 mins
It's deja vú for Odhran Lynch.
For the third time in the game he is caught off his line and Donegal find the net!
This time it's substitute Jamie Brennan who applies the finish with Lynch in no man's land.
That should be all she wrote.
Derry 0-13 Donegal 3-9
Donegal are five ahead, as Paddy McBrearty points from a free with his first contribution of the game.
It feels like Jim McGuinness' side are a couple more scores away from putting this game to bed.
Derry 0-13 Donegal 3-8
Donncha Gilmore replaces Chrissy McKaigue for Derry, whilst Donegal introduce their captain Paddy McBrearty - he's on for Niall O'Donnell.