Fearne Cotton says she is "over the moon" after announcing her pregnancy.
The 30-year-old TV presenter and DJ said she and boyfriend Jesse Wood are "very happy".
She announced the news on her blog, saying: "Jesse and I are very happy to announce we are having a baby.
"We are over the moon, morning sickness aside (me, not Jess) and looking forward to the little Cotton Woods arrival."
Fearne has been congratulated by a number of celebrity friends including Mel C, Ellie Goulding, fellow DJ Greg James and Nick Grimshaw.
Fearne and Jesse, who's the son of Rolling Stones rocker Ronnie Wood, have been together for a year.