Fearne Cotton ( born 3 September 1981 ) is an English television and radio presenter . She is known for presenting a number of popular TV programs such as Top of the Pops and the Red Nose Day telethon . Fearne Cotton ( born 3 September 1981 ) is an English television and radio presenter who is known for presenting a number of popular TV programs such as Top of the Pops and the Red Nose Day telethon .