Published Monday, 14 May 2012
Ashley revealed that Pudsey "wasn't fazed" by performing in the BGT final. (© ITV)
The 17-year-old and her dancing dog were crowned the show's sixth winners and will go on to entertain the Queen at the Royal Variety Performance.
The record peak audience makes the BGT final the most watched show so far this year and, speaking on Monday's Lorraine show, Ashley said the number of viewers did not faze Pudsey.
"He wouldn't change it for the world," she said. "When he's performing he has a little smile on his face."
The border collie, bichon frise and Chinese crested cross was a present for Ashley's 11th birthday and the pair have been performing together for years, even representing Great Britain in the Agility Championships.
Our semi-final routine we’d been doing about five weeks but because he was a dog I did need to start rehearsing the final one just in case.
"We started that about three weeks ago, but we had to stop to focus on the semi-final so when we got through to the final I had to cram it all in," she told Lorraine.
Ashleigh and Pudsey were crowned the Britain's Got Talent 2012 winner beating opera singers Jonathan and Charlotte, and Welsh choir Only Boys Aloud into second and third place.
Earlier Ashleigh told Daybreak she was "overwhelmed by the support" they have received.
"Our goal was to get into the final and when we were the last two, with Jonathan and Charlotte, I honestly thought they had won it. I was preparing myself to jump on them and congratulate them. So it was a complete shock when our names were called out," she said.
She said Pudsey was enjoying his new-found fame. "He is loving it. The more attention he gets, the more he loves it.
"He is a bit tired at the moment, so I think he needs just a good couple of days' rest. But he is brilliant."
Ashleigh also denied a series of reports about Pudsey, including claims that he now has three security guards and is insured for £1m.
BGT boss Simon Cowell said Saturday's final was the "greatest final we've ever done" and revealed he will be asking David Walliams, Alesha Dixon and Amanda Holden to take their places in the judge's seats for the next series.
Speaking on Britain's Got More Talent, Cowell said: "I can say that if they will accept my invitation, that all three and me will be back next year."
Amanda Holden joked: "If we've got a pen, I'd like that in writing!"
© UTV News