"I'm A Celebrity... Get Me Out Of Here!" filming has reportedly been delayed while Ant McPartlin continues his recovery.
The 41-year-old star spent two months in rehab for painkiller addiction earlier this year and he and his presenting partner, Declan Donnelly, were scheduled to take part in a promotional shoot at London's Pinewood Studios later this week.
However, the shoot has now been postponed as Ant is taking "time and space" in Los Angeles with his agent, Paul Worsley.
A source told The Sun newspaper: "It would have been the first day filming but with Ant away, there is no way they could get started."
Another source added: "He's gone to get away from the spotlight.
"He's in recovery and it's important he has time and space.
"Paul's gone to provide support. He is one of his closest friends."
However, producers are not upset by the delay to their schedule as they want Ant to get better.
A TV insider said: "Ant needed some space away. Everyone completely understands."
Ant is doing everything he can to get back to full health and even moved his mother Christine into his London home recently, because his wife Lisa, 40, has returned to work as a make-up artist on "Strictly Come Dancing".
Ant previously said his mother was "happy" he had returned to his old self when speaking about her thoughts on his prescription pills addiction and rehab stint.
He said: "She's happy to have me back.
"People do notice the difference in you when you're down and depressed.
"She noticed it. She said she's really happy to have her old son back, which is nice to hear."