Presenter Davina McCall has defended her BBC One chat show following media criticism and poor ratings.

McCall, who saw viewing figures drop from 3.5m viewers to as low as 2.3m over the course of the series, said she remained "really proud" of the show.

She told BBC Five Live: "It was a light entertainment programme that was put in the toughest slot on the BBC."

McCall said the "depressing" coverage of the show had affected her so much she had stopped reading newspapers.

Big Brother presenter McCall added that the reviews had made her work "really difficult" and had affected morale among the show's team.

She said she felt it had been her "turn" to receive negative coverage.

"I'm not going to lie and say it hasn't affected me at all because it does," said the 38-year-old star.

"But people, members of the public, come up to me and say is everything alright so I kind of inadvertently get it through them.

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Our very own Miss McCall has been chosen to front this year's Sport Relief event along with Chris Evans.

Despite not having huge hits with recent BBC shows, bosses still seem to like Davina and selected her to front the major fund-raiser for the channel in July.

One BBC insider told The Mirror newspaper: "Davina is brilliant in her interviews with the evicted Big Brother contestants - we reckon she'll be just as good fronting a Saturday night entertainment marathon."

"Chris has proved himself by successfully hosting the Brits, which is no mean feat, and he does a live radio show every week."

"Together we think they'll be an unbeatable team - which is great because it's all for a good cause."

A BBC spokeswoman said: "Chris and Davina have both contributed to Sport Relief in the past, so they were a natural choice for presenters. It should be good fun with the pair of them on the night."

The latest issue of Heat features an interview with Davina in which she confirms she's four months pregnant.

She told Heat magazine the good news: “I can proudly confirm that I’m pregnant. I was very nervous about the news getting out before my 12 week check up."

"I balloon when I'm pregnant - or it's what people politely call 'blooming'"

"But the scan was fine, so I can let it all hang out - and, believe me, I will!”

"I’m coming up to 17 weeks and Matthew and I are very excited. Bring it on!”

The last episode of the series airs next week, but it's just been announced that it could be the last one ever.

The show debuted on BBC One eight weeks ago to an audience of 3.5m, but it's since lost over a million of those in the tough 8pm slot.

It's understood the BBC's decision not to commission another series of Davina was made before the Big Brother host revealed she was pregnant.

According to reports, however, a formal decision will only be made after the show ends its current run, although 'insiders' have 'confirmed' it wouldn't return.

The BBC has insisted that "no decision has been taken" and that "we have always said that no decision will be made until the show is off air".

A source told the Daily Mail newspaper: "The 8pm slot she's in is very, very tough. She's up against Coronation Street on ITV and Davina knew that from the outset."

"It's difficult to see how we could change the format and it won't be moved to another slot."

"To make matters worse, since it got off to such a bad start, celebrities aren't exactly clamouring to appear - like they do with Jonathan Ross or Parky. They don't want to be associated with failure."

"To her credit, Davina has settled in and improved as a host. She's pretty realistic about the show's fate but is glad that she gave it a go."

Do you think 'Davina' has been given a fair go? Are you glad to see it go, or do you think it should be given a second chance? Join our forums and let us know.