Tony McCoy, who secured his second Gold Cup victory after Mr Mulligan took the title in 1997, said: "He's an amazing horse and it was an amazing performance. I'm so pleased to win it for JP as he's been so good to me.
"Jonjo has done an incredible job. I've got a Grand National and a Gold Cup out of the man and I love him to bits."
More top news
Ever wondered what the most expensive seaside town in Britain is? Find out here.
Provost of Eton College threatens to quit the Tory party over suggestions job applicants should be quizzed about private education.
A dry night ahead, with any showers fading away.