The unnamed insider added that the "Because of You" singer is "completely fine," and noted that it is "not a cause for alarm," claiming that Clarkson would be back on air on March 13—however, that was not the case. Instead, Molly Sims appeared as a guest host, telling viewers that she would also be hosting the show on March 14.

The Kelly Clarkson Show has gone on without its host, and guest hosts including Wanda Sykes, Brooke Shields, and Kevin Hart, Roy Wood Jr., Simu Liu, and Willie Geist have stepped in to fill her shoes. Molly Sims returns to host the show today, March 14. The unexplained absence has caused concern among Clarkson’s fans.

Kelly Clarkson has been mysteriously absent from 'The Kelly Clarkson Show' for a week — and no one seems to know why.