Amanda Holden has been announced as co-host of the new nationwide "Heart Breakfast" show.
The "Britain's Got Talent" judge is "thrilled" to have landed the role alongside Jamie Theakston but admitted she will need to adjust for the new early starts on the radio show, which will launch on June 3rd.
Amanda said: "I'm thrilled to be hosting the brand-new national "Heart Breakfast" show from June 3rd with the fab Jamie Theakston.
"Having listened for years I'm excited to be part of the Heart team and working on what will now be the UK's biggest commercial morning radio show.
"I'm not sure my face is ready for the early starts mind you, but I'm looking forward to waking you all up."
And Jamie, 48, - who currently presents "Heart Breakfast" with Lucy Horobin - is delighted the show is now going nationwide, and is excited to be teaming up with the 48-year-old TV star.
He said: "This is a massively exciting opportunity in taking this show nationwide and I'm beyond thrilled to have my friend Amanda join me in the fun.
"Listeners can expect the unexpected from Amanda, just as I have learned to do over the years."
The network are pleased about their latest revamp because they think Amanda's strong energy and brilliant chemistry with Jamie will "brighten up" listeners" mornings across the UK.
Heart's managing editor James Rea said: "We have been working hard behind the scenes to be able to announce some huge changes to Heart, which we're thrilled to reveal today.
"Amanda Holden brings a fresh energy to the brand-new national breakfast show and we're delighted that she's now part of the Heart family.
"Both Jamie and Amanda's infectious humour and engaging personalities will certainly brighten up mornings across the UK!
"We wish them the very best of luck ahead of their first show together on Monday June 3rd. Turn up the feel good indeed!"
Listen to the brand-new nationwide "Heart Breakfast" show with Jamie Theakston & Amanda Holden weekdays from 06:30-10:00 across the Heart network, starting Monday June 3rd.
Tune into Heart on 96-107 FM, on DAB digital radio right across the UK, on mobile via the Heart app or Global Player, online at heart.co.uk, on your smart speaker by saying "play Heart".