fearne kimberley cotton (born 3 september 1981) is an english television and radio presenter. she is known for presenting a number of popular tv programmes such as "top of the pops" and the "red nose day" "telethon". cotton joined bbc radio 1 in september 2005. in 2007, she became the first regular female presenter of bbc radio 1's "chart show". she now presents bbc radio 1's weekday mid-morning programme. in 2008 cotton moved to the united states to present "the guinness book of records - live". in 2015, cotton returned to children’s television by voicing a voice trumpet in the 2015 reboot of teletubbies.