Miranda Hart is to take on five mystery challenges for Comic Relief.

Strictly Come Dancing winner Louis Smith, comic Ronnie Corbett and supermodel Elle Macpherson are among the guests who will take part in Graham Norton’s bid to set a new TV chat show record.

Jessie J is deciding on a dare for Holly Willoughby to do as part of 'Comic Relief'.

It will be all about the money, money, money for Jessie J when she shaves her head live on television to raise money for Comic Relief.

A team of stars including Irish comic Dara O’Briain will brave crocodiles, hippos and huge rapids by tackling more than 100km (more than 60 miles) of the Zambezi River.

Comedian Dara Ó Briain is to lead a team of celebrities up 110km of the Zambezi River, braving crocodiles, hippos, and huge rapids in aid of British charity Comic Relief.

Jessie J will shave her head for Comic Relief.

British comedians will delight TV viewers tonight with a spoof Fake That tribute band and a hair-erasing stunt in the aid of Comic Relief.

CHERYL COLE and Kimberley Walsh said they would cope well without their usual attention to clothes and make-up while trekking up Mount Kilimanjaro.

Takeover target Sainsbury’s posted higher than expected sales figures today as the supermarket chain reaped the benefits of increased revenues from Mother’s Day and Valentine’s Day.

The Sugababes vs Girls Aloud have tonight marched straight to the top of the UK charts with their Comic Relief single Walk This Way.

Five famous duos showed off their bargaining skills today at a special car boot sale in aid of Comic Relief in the UK.

Ladies’ man Russell Brand cosied up to Girls Aloud and the Sugababes today at the launch of Red Nose Day in the UK.

British supermarket group Sainsbury’s kept up its recent recovery today after posting its second consecutive quarter of like-for-like sales growth.

Cult 70s hit Is This The Way To Amarillo? Is released today, threatening to carry the almost-forgotten singer Tony Christie to number one in the charts, and raising more money for Comic Relief in the UK.

The BBC today reported healthy viewing figures during the Red Nose Day fundraising extravaganza.

Coronation Street star Debra Stephenson is the latest student to be evicted from charity reality show Comic Relief Does Celebrity Fame Academy.

TV presenter Nick Knowles was kicked off Celebrity Fame Academy last night and declared: “I’m off for a pint”.

Comedian Peter Kay is starring in a music video for the Tony Christie hit Is This The Way To Amarillo? which he helped to revive.

Gary Lineker dresses up as Britney Spears in a new advert for Comic Relief screened today.

Pregnant TV presenter Claudia Winkelman is doing a charity push with a difference for Comic Relief – a sponsored labour.

Elvis fans can have a brush with their idol and get their hands on a Good Lock Charm – by bidding for his hair.

Chat show host Graham Norton kicked off this year’s Comic Relief last night by adding a stunning attraction to London’s skyline.

Gareth Gates is to record this year’s official Comic Relief single, it was announced today.

Tony Blair has presented comic Dawn French with a cheque for £4.3m towards this year's record breaking Red Nose Day fund.

Student wizard Harry Potter and weight-obsessed Bridget Jones do not have much in common, but both are caught up in Comic Relief's red nose fever.

Anthea Turner, Vanessa Feltz and Keith Duffy will take their places in the house for a charity version of Big Brother.