FAILING JIMMY FALLON’S FEARING THE AX! - INSIDER

FLOUNDERING Jimmy Fallon is feeling the heat as ratings for “The Tonight Show” have taken a nosedive! The 44-year-old’s chatfest has been blown away by CBS rival “The Late Show with Stephen Colbert,” and sources said seething NBC execs have set their sights on the struggling host!

“Jimmy’s terrified he’s going to get the hook,” an insider snitched.

With Colbert drawing nearly

1.5 million more viewers than Fallon, “Tonight Show” bigwigs have been scrambling for answers! Fallon’s longtime producer Katie Hockmeyer has already bailed — announcing she’s leaving after her recent maternity leave — and her departure comes mere months after veteran showrunner Mike DiCenzo quit!

“Jimmy’s all over the place as he frantically tries to brainstorm his way out of this hole!” the source said.

Stephen Colbert is beating Jimmy in the ratings There’s turmoil at the host’s “Tonight Show”