United Kingdom, March 2 -- Pink is too "busy" to host her own TV talk show.

The 46-year-old music star has rubbished suggestions that she's set to take over The Kelly Clarkson Show, insisting that her hectic schedule simply wouldn't allow it - despite being tipped as the frontrunner to replace Kelly Clarkson, when her daytime show ends later this year.

In a since-deleted Instagram video, Pink - who previously denied speculation that she'd separated from her husband Carey Hart after 20 years of marriage - said: "Hi everybody. Just in a continuation of debunking all of the sources that we've got going on in the world. I'm not taking over the Kelly Clarkson Show."

The pop star made clear that her week of guest hosting was simply a favour ...