Judi Dench, 89, breaks down in tears when asked about her late friend Maggie Smith at Cheltenham Literature festival - one month after losing her beloved stage companion Barbara Leigh-Hunt

Dame Judi Dench choked up on stage today at the Cheltenham Literature Festival after she was asked about her late friends Maggie Smith and Barbara Leigh-Hunt.

Dench, who shared personal anecdotes during her presentation at the literature festival, got emotional after interviewer Brendan O'Hea brought up her beloved friends who both passed away in the last month.

'I know I probably shouldn't bring this up, I know the last week has been tricky for you because you lost your great friends Maggie Smith and Barbara Leigh-Hunt', he asked.

He also asked her what she meant when she had once compared grief to petrol when speaking about her husband, Michael Williams', who died from lung cancer in 2001.

'I suppose the energy that's created by grief...' she said, before breaking down in tears.

It comes as her close friend actress Dame Maggie Smith died last week aged 89.

The beloved star, who was known for her roles in the Harry Potter movies and her incredible 70-year acting career, had been friends with Dench, since the 1950s.

Their tight-knit friendship began when they were both young actresses after meeting backstage at the Old Vic theatre in London.

Speaking at a tribute event for Dench back in 2002, Smith said : 'What I remember mostly about that time, it was the beginning of a friendship, and I remember laughter more than anything in the world.

'Judi's the most tremendous friend. She's been a huge support and hugely loyal.'

The pair had appeared on stage and on screen together several times, including the 1985 film A Room with a View and the 2011 comedy The Best Exotic Marigold Hotel.

Speaking about Smith and Dench's friendship, Ol Parker - who wrote The Best Exotic Marigold Hotel, he said: 'Maggie and Judi would swim in their Victorian swimsuits. And every day we would all laugh and laugh and laugh.'

Meanwhile, actress Barbara Leigh-Hunt and close friend to Dench also died last month at the age of 88.

The English star, who is known for playing ill-fated Brenda in Alfred Hitchcock's epic film Frenzy was close friends with Dench, and was even the godmother to her daughter Finty Williams.

While Dench did not share any words about Smith or Leigh-Hunt at the festival, she told the audience that the trees she plants in her surrey home were in memory of her friends who have passed.