ITV has confirmed Declan Donnelly will host the Britain's Got Talent live shows on his own as Ant "steps down from his TV commitments for now".
It comes amid reports that McPartlin has checked into rehab, following his arrest for drink-driving on March 21st.
ITV has released the following statement:
"Dec will be hosting the live shows, which for the first time ever are coming from the Hammersmith Apollo, while Ant steps down from his TV commitments for now.
"We send Ant all our love.
"And we know that Dec will do a brilliant job."
The duo have fronted the show since it first aired back in 2007.
The 12th series of the talent show airs this Saturday, April 14th on ITV with Simon Cowell, David Walliams, Amanda Holden and Alesha Dixon returning as judges.